Home / 4,872,428.01-7,306,123.71-2,138,856.60

Finding the Fourth Proportional to 4,872,428.01, 7,306,123.71 and 2,138,856.60

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Solution

The fourth proportional to 4,872,428.01, 7,306,123.71 and 2,138,856.60 is: 3,207,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872,428.01 : 7,306,123.71 = 2,138,856.60 : x
  2. Step 2: Convert to fraction form
    4,872,428.01/7,306,123.71 = 2,138,856.60/x
  3. Step 3: Cross multiply
    4,872,428.01x = 7,306,123.71 × 2,138,856.60
  4. Step 4: Simplify right side
    4,872,428.01x = 15,626,750,917,549.99
  5. Step 5: Solve for x
    x = 15,626,750,917,549.99/4,872,428.01
  6. Step 6: Final answer
    x = 3,207,179.44

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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.