Home / 4,465,155.38-6,689,304.81-2,638,068.55

Finding the Fourth Proportional to 4,465,155.38, 6,689,304.81 and 2,638,068.55

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Solution

The fourth proportional to 4,465,155.38, 6,689,304.81 and 2,638,068.55 is: 3,952,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,465,155.38 : 6,689,304.81 = 2,638,068.55 : x
  2. Step 2: Convert to fraction form
    4,465,155.38/6,689,304.81 = 2,638,068.55/x
  3. Step 3: Cross multiply
    4,465,155.38x = 6,689,304.81 × 2,638,068.55
  4. Step 4: Simplify right side
    4,465,155.38x = 17,646,844,623,901.46
  5. Step 5: Solve for x
    x = 17,646,844,623,901.46/4,465,155.38
  6. Step 6: Final answer
    x = 3,952,123.31

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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.