Home / 1,891,007.28-2,609,598.60-1,031,564.88

Finding the Fourth Proportional to 1,891,007.28, 2,609,598.60 and 1,031,564.88

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Solution

The fourth proportional to 1,891,007.28, 2,609,598.60 and 1,031,564.88 is: 1,423,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,007.28 : 2,609,598.60 = 1,031,564.88 : x
  2. Step 2: Convert to fraction form
    1,891,007.28/2,609,598.60 = 1,031,564.88/x
  3. Step 3: Cross multiply
    1,891,007.28x = 2,609,598.60 × 1,031,564.88
  4. Step 4: Simplify right side
    1,891,007.28x = 2,691,970,266,657.17
  5. Step 5: Solve for x
    x = 2,691,970,266,657.17/1,891,007.28
  6. Step 6: Final answer
    x = 1,423,564.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.