Home / 3,139,280.10-4,708,920.15-1,542,867.30

Finding the Fourth Proportional to 3,139,280.10, 4,708,920.15 and 1,542,867.30

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Solution

The fourth proportional to 3,139,280.10, 4,708,920.15 and 1,542,867.30 is: 2,314,300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,280.10 : 4,708,920.15 = 1,542,867.30 : x
  2. Step 2: Convert to fraction form
    3,139,280.10/4,708,920.15 = 1,542,867.30/x
  3. Step 3: Cross multiply
    3,139,280.10x = 4,708,920.15 × 1,542,867.30
  4. Step 4: Simplify right side
    3,139,280.10x = 7,265,238,917,746.10
  5. Step 5: Solve for x
    x = 7,265,238,917,746.10/3,139,280.10
  6. Step 6: Final answer
    x = 2,314,300.95

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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.