Home / 3,845,669.88-5,294,876.64-3,386,472.78

Finding the Fourth Proportional to 3,845,669.88, 5,294,876.64 and 3,386,472.78

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Solution

The fourth proportional to 3,845,669.88, 5,294,876.64 and 3,386,472.78 is: 4,662,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845,669.88 : 5,294,876.64 = 3,386,472.78 : x
  2. Step 2: Convert to fraction form
    3,845,669.88/5,294,876.64 = 3,386,472.78/x
  3. Step 3: Cross multiply
    3,845,669.88x = 5,294,876.64 × 3,386,472.78
  4. Step 4: Simplify right side
    3,845,669.88x = 17,930,955,614,817.86
  5. Step 5: Solve for x
    x = 17,930,955,614,817.86/3,845,669.88
  6. Step 6: Final answer
    x = 4,662,635.16

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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.