Home / 3,138,429.20-4,708,081.20-1,341,298.40

Finding the Fourth Proportional to 3,138,429.20, 4,708,081.20 and 1,341,298.40

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Solution

The fourth proportional to 3,138,429.20, 4,708,081.20 and 1,341,298.40 is: 2,012,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,429.20 : 4,708,081.20 = 1,341,298.40 : x
  2. Step 2: Convert to fraction form
    3,138,429.20/4,708,081.20 = 1,341,298.40/x
  3. Step 3: Cross multiply
    3,138,429.20x = 4,708,081.20 × 1,341,298.40
  4. Step 4: Simplify right side
    3,138,429.20x = 6,314,941,780,630.08
  5. Step 5: Solve for x
    x = 6,314,941,780,630.08/3,138,429.20
  6. Step 6: Final answer
    x = 2,012,134.54

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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.