Home / 5,207,781.87-7,812,189.45-2,176,095.47

Finding the Fourth Proportional to 5,207,781.87, 7,812,189.45 and 2,176,095.47

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Solution

The fourth proportional to 5,207,781.87, 7,812,189.45 and 2,176,095.47 is: 3,264,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207,781.87 : 7,812,189.45 = 2,176,095.47 : x
  2. Step 2: Convert to fraction form
    5,207,781.87/7,812,189.45 = 2,176,095.47/x
  3. Step 3: Cross multiply
    5,207,781.87x = 7,812,189.45 × 2,176,095.47
  4. Step 4: Simplify right side
    5,207,781.87x = 17,000,070,033,865.84
  5. Step 5: Solve for x
    x = 17,000,070,033,865.84/5,207,781.87
  6. Step 6: Final answer
    x = 3,264,359.08

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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.