Home / 5,479,991.10-8,219,986.65-1,490,903.10

Finding the Fourth Proportional to 5,479,991.10, 8,219,986.65 and 1,490,903.10

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Solution

The fourth proportional to 5,479,991.10, 8,219,986.65 and 1,490,903.10 is: 2,236,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,991.10 : 8,219,986.65 = 1,490,903.10 : x
  2. Step 2: Convert to fraction form
    5,479,991.10/8,219,986.65 = 1,490,903.10/x
  3. Step 3: Cross multiply
    5,479,991.10x = 8,219,986.65 × 1,490,903.10
  4. Step 4: Simplify right side
    5,479,991.10x = 12,255,203,578,443.62
  5. Step 5: Solve for x
    x = 12,255,203,578,443.62/5,479,991.10
  6. Step 6: Final answer
    x = 2,236,354.65

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Double scale
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Similar ratio
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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.