Home / 3,138,541.80-4,706,646.30-1,244,891.40

Finding the Fourth Proportional to 3,138,541.80, 4,706,646.30 and 1,244,891.40

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Solution

The fourth proportional to 3,138,541.80, 4,706,646.30 and 1,244,891.40 is: 1,866,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,541.80 : 4,706,646.30 = 1,244,891.40 : x
  2. Step 2: Convert to fraction form
    3,138,541.80/4,706,646.30 = 1,244,891.40/x
  3. Step 3: Cross multiply
    3,138,541.80x = 4,706,646.30 × 1,244,891.40
  4. Step 4: Simplify right side
    3,138,541.80x = 5,859,263,501,711.82
  5. Step 5: Solve for x
    x = 5,859,263,501,711.82/3,138,541.80
  6. Step 6: Final answer
    x = 1,866,874.45

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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.