Home / 3,114,689.60-4,672,034.40-840,209.60

Finding the Fourth Proportional to 3,114,689.60, 4,672,034.40 and 840,209.60

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Solution

The fourth proportional to 3,114,689.60, 4,672,034.40 and 840,209.60 is: 1,260,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,689.60 : 4,672,034.40 = 840,209.60 : x
  2. Step 2: Convert to fraction form
    3,114,689.60/4,672,034.40 = 840,209.60/x
  3. Step 3: Cross multiply
    3,114,689.60x = 4,672,034.40 × 840,209.60
  4. Step 4: Simplify right side
    3,114,689.60x = 3,925,488,154,410.24
  5. Step 5: Solve for x
    x = 3,925,488,154,410.24/3,114,689.60
  6. Step 6: Final answer
    x = 1,260,314.40

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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.