Home / 5,127,260.20-7,690,307.10-1,341,125.80

Finding the Fourth Proportional to 5,127,260.20, 7,690,307.10 and 1,341,125.80

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Solution

The fourth proportional to 5,127,260.20, 7,690,307.10 and 1,341,125.80 is: 2,011,536.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,260.20 : 7,690,307.10 = 1,341,125.80 : x
  2. Step 2: Convert to fraction form
    5,127,260.20/7,690,307.10 = 1,341,125.80/x
  3. Step 3: Cross multiply
    5,127,260.20x = 7,690,307.10 × 1,341,125.80
  4. Step 4: Simplify right side
    5,127,260.20x = 10,313,669,261,733.18
  5. Step 5: Solve for x
    x = 10,313,669,261,733.18/5,127,260.20
  6. Step 6: Final answer
    x = 2,011,536.15

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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.