Home / 5,432,042.70-8,148,064.05-2,065,812.30

Finding the Fourth Proportional to 5,432,042.70, 8,148,064.05 and 2,065,812.30

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Solution

The fourth proportional to 5,432,042.70, 8,148,064.05 and 2,065,812.30 is: 3,098,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,042.70 : 8,148,064.05 = 2,065,812.30 : x
  2. Step 2: Convert to fraction form
    5,432,042.70/8,148,064.05 = 2,065,812.30/x
  3. Step 3: Cross multiply
    5,432,042.70x = 8,148,064.05 × 2,065,812.30
  4. Step 4: Simplify right side
    5,432,042.70x = 16,832,370,935,677.81
  5. Step 5: Solve for x
    x = 16,832,370,935,677.81/5,432,042.70
  6. Step 6: Final answer
    x = 3,098,718.45

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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.