Home / 1,934,468.78-2,897,254.13-1,122,843.11

Finding the Fourth Proportional to 1,934,468.78, 2,897,254.13 and 1,122,843.11

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Solution

The fourth proportional to 1,934,468.78, 2,897,254.13 and 1,122,843.11 is: 1,681,682.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934,468.78 : 2,897,254.13 = 1,122,843.11 : x
  2. Step 2: Convert to fraction form
    1,934,468.78/2,897,254.13 = 1,122,843.11/x
  3. Step 3: Cross multiply
    1,934,468.78x = 2,897,254.13 × 1,122,843.11
  4. Step 4: Simplify right side
    1,934,468.78x = 3,253,161,817,689.06
  5. Step 5: Solve for x
    x = 3,253,161,817,689.06/1,934,468.78
  6. Step 6: Final answer
    x = 1,681,682.26

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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.