Home / 3,932,679.74-5,427,200.68-2,213,862.98

Finding the Fourth Proportional to 3,932,679.74, 5,427,200.68 and 2,213,862.98

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Solution

The fourth proportional to 3,932,679.74, 5,427,200.68 and 2,213,862.98 is: 3,055,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932,679.74 : 5,427,200.68 = 2,213,862.98 : x
  2. Step 2: Convert to fraction form
    3,932,679.74/5,427,200.68 = 2,213,862.98/x
  3. Step 3: Cross multiply
    3,932,679.74x = 5,427,200.68 × 2,213,862.98
  4. Step 4: Simplify right side
    3,932,679.74x = 12,015,078,637,812.17
  5. Step 5: Solve for x
    x = 12,015,078,637,812.17/3,932,679.74
  6. Step 6: Final answer
    x = 3,055,188.69

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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.