Home / 5,432,013.10-8,148,019.65-2,912,589.10

Finding the Fourth Proportional to 5,432,013.10, 8,148,019.65 and 2,912,589.10

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Solution

The fourth proportional to 5,432,013.10, 8,148,019.65 and 2,912,589.10 is: 4,368,883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,013.10 : 8,148,019.65 = 2,912,589.10 : x
  2. Step 2: Convert to fraction form
    5,432,013.10/8,148,019.65 = 2,912,589.10/x
  3. Step 3: Cross multiply
    5,432,013.10x = 8,148,019.65 × 2,912,589.10
  4. Step 4: Simplify right side
    5,432,013.10x = 23,731,833,219,175.82
  5. Step 5: Solve for x
    x = 23,731,833,219,175.82/5,432,013.10
  6. Step 6: Final answer
    x = 4,368,883.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.