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Finding the Fourth Proportional to 1,882,387.86, 2,597,695.21 and 1,022,948.14

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Solution

The fourth proportional to 1,882,387.86, 2,597,695.21 and 1,022,948.14 is: 1,411,668.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,387.86 : 2,597,695.21 = 1,022,948.14 : x
  2. Step 2: Convert to fraction form
    1,882,387.86/2,597,695.21 = 1,022,948.14/x
  3. Step 3: Cross multiply
    1,882,387.86x = 2,597,695.21 × 1,022,948.14
  4. Step 4: Simplify right side
    1,882,387.86x = 2,657,307,483,011.54
  5. Step 5: Solve for x
    x = 2,657,307,483,011.54/1,882,387.86
  6. Step 6: Final answer
    x = 1,411,668.42

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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.