Home / 4,679,709.12-7,019,531.28-1,313,919.36

Finding the Fourth Proportional to 4,679,709.12, 7,019,531.28 and 1,313,919.36

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Solution

The fourth proportional to 4,679,709.12, 7,019,531.28 and 1,313,919.36 is: 1,970,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,709.12 : 7,019,531.28 = 1,313,919.36 : x
  2. Step 2: Convert to fraction form
    4,679,709.12/7,019,531.28 = 1,313,919.36/x
  3. Step 3: Cross multiply
    4,679,709.12x = 7,019,531.28 × 1,313,919.36
  4. Step 4: Simplify right side
    4,679,709.12x = 9,223,098,046,917.58
  5. Step 5: Solve for x
    x = 9,223,098,046,917.58/4,679,709.12
  6. Step 6: Final answer
    x = 1,970,869.94

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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.