Home / 3,938,680.36-5,905,658.29-1,806,092.92

Finding the Fourth Proportional to 3,938,680.36, 5,905,658.29 and 1,806,092.92

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Solution

The fourth proportional to 3,938,680.36, 5,905,658.29 and 1,806,092.92 is: 2,708,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,680.36 : 5,905,658.29 = 1,806,092.92 : x
  2. Step 2: Convert to fraction form
    3,938,680.36/5,905,658.29 = 1,806,092.92/x
  3. Step 3: Cross multiply
    3,938,680.36x = 5,905,658.29 × 1,806,092.92
  4. Step 4: Simplify right side
    3,938,680.36x = 10,666,167,625,508.31
  5. Step 5: Solve for x
    x = 10,666,167,625,508.31/3,938,680.36
  6. Step 6: Final answer
    x = 2,708,056.16

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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.