Home / 2,487,304.20-3,729,113.10-1,686,587.40

Finding the Fourth Proportional to 2,487,304.20, 3,729,113.10 and 1,686,587.40

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Solution

The fourth proportional to 2,487,304.20, 3,729,113.10 and 1,686,587.40 is: 2,528,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,304.20 : 3,729,113.10 = 1,686,587.40 : x
  2. Step 2: Convert to fraction form
    2,487,304.20/3,729,113.10 = 1,686,587.40/x
  3. Step 3: Cross multiply
    2,487,304.20x = 3,729,113.10 × 1,686,587.40
  4. Step 4: Simplify right side
    2,487,304.20x = 6,289,475,167,634.94
  5. Step 5: Solve for x
    x = 6,289,475,167,634.94/2,487,304.20
  6. Step 6: Final answer
    x = 2,528,631.27

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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.