Home / 5,071,811.28-6,999,816.24-3,138,694.32

Finding the Fourth Proportional to 5,071,811.28, 6,999,816.24 and 3,138,694.32

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Solution

The fourth proportional to 5,071,811.28, 6,999,816.24 and 3,138,694.32 is: 4,331,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071,811.28 : 6,999,816.24 = 3,138,694.32 : x
  2. Step 2: Convert to fraction form
    5,071,811.28/6,999,816.24 = 3,138,694.32/x
  3. Step 3: Cross multiply
    5,071,811.28x = 6,999,816.24 × 3,138,694.32
  4. Step 4: Simplify right side
    5,071,811.28x = 21,970,283,473,531.76
  5. Step 5: Solve for x
    x = 21,970,283,473,531.76/5,071,811.28
  6. Step 6: Final answer
    x = 4,331,841.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.