Home / 4,914,948.71-7,372,416.72-1,320,715.70

Finding the Fourth Proportional to 4,914,948.71, 7,372,416.72 and 1,320,715.70

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Solution

The fourth proportional to 4,914,948.71, 7,372,416.72 and 1,320,715.70 is: 1,981,071.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914,948.71 : 7,372,416.72 = 1,320,715.70 : x
  2. Step 2: Convert to fraction form
    4,914,948.71/7,372,416.72 = 1,320,715.70/x
  3. Step 3: Cross multiply
    4,914,948.71x = 7,372,416.72 × 1,320,715.70
  4. Step 4: Simplify right side
    4,914,948.71x = 9,736,866,472,184.42
  5. Step 5: Solve for x
    x = 9,736,866,472,184.42/4,914,948.71
  6. Step 6: Final answer
    x = 1,981,071.84

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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.