Home / 5,185,120.60-7,154,398.19-2,979,557.41

Finding the Fourth Proportional to 5,185,120.60, 7,154,398.19 and 2,979,557.41

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Solution

The fourth proportional to 5,185,120.60, 7,154,398.19 and 2,979,557.41 is: 4,111,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,120.60 : 7,154,398.19 = 2,979,557.41 : x
  2. Step 2: Convert to fraction form
    5,185,120.60/7,154,398.19 = 2,979,557.41/x
  3. Step 3: Cross multiply
    5,185,120.60x = 7,154,398.19 × 2,979,557.41
  4. Step 4: Simplify right side
    5,185,120.60x = 21,316,940,127,322.47
  5. Step 5: Solve for x
    x = 21,316,940,127,322.47/5,185,120.60
  6. Step 6: Final answer
    x = 4,111,175.37

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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.