Home / 3,615,957-4,989,657.24-2,165,615.28

Finding the Fourth Proportional to 3,615,957, 4,989,657.24 and 2,165,615.28

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Solution

The fourth proportional to 3,615,957, 4,989,657.24 and 2,165,615.28 is: 2,988,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,957 : 4,989,657.24 = 2,165,615.28 : x
  2. Step 2: Convert to fraction form
    3,615,957/4,989,657.24 = 2,165,615.28/x
  3. Step 3: Cross multiply
    3,615,957x = 4,989,657.24 × 2,165,615.28
  4. Step 4: Simplify right side
    3,615,957x = 10,805,677,960,906.63
  5. Step 5: Solve for x
    x = 10,805,677,960,906.63/3,615,957
  6. Step 6: Final answer
    x = 2,988,331.43

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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.