Home / 3,138,705.60-4,708,672.80-1,341,585.60

Finding the Fourth Proportional to 3,138,705.60, 4,708,672.80 and 1,341,585.60

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Solution

The fourth proportional to 3,138,705.60, 4,708,672.80 and 1,341,585.60 is: 2,012,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,705.60 : 4,708,672.80 = 1,341,585.60 : x
  2. Step 2: Convert to fraction form
    3,138,705.60/4,708,672.80 = 1,341,585.60/x
  3. Step 3: Cross multiply
    3,138,705.60x = 4,708,672.80 × 1,341,585.60
  4. Step 4: Simplify right side
    3,138,705.60x = 6,317,087,623,591.68
  5. Step 5: Solve for x
    x = 6,317,087,623,591.68/3,138,705.60
  6. Step 6: Final answer
    x = 2,012,641.01

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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.