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Finding the Fourth Proportional to 2,663,679.77, 3,674,978.62 and 1,516,948.19

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Solution

The fourth proportional to 2,663,679.77, 3,674,978.62 and 1,516,948.19 is: 2,092,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,679.77 : 3,674,978.62 = 1,516,948.19 : x
  2. Step 2: Convert to fraction form
    2,663,679.77/3,674,978.62 = 1,516,948.19/x
  3. Step 3: Cross multiply
    2,663,679.77x = 3,674,978.62 × 1,516,948.19
  4. Step 4: Simplify right side
    2,663,679.77x = 5,574,752,165,897.70
  5. Step 5: Solve for x
    x = 5,574,752,165,897.70/2,663,679.77
  6. Step 6: Final answer
    x = 2,092,876.26

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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.