Home / 3,881,711.52-5,357,069.20-2,139,690.16

Finding the Fourth Proportional to 3,881,711.52, 5,357,069.20 and 2,139,690.16

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Solution

The fourth proportional to 3,881,711.52, 5,357,069.20 and 2,139,690.16 is: 2,952,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,711.52 : 5,357,069.20 = 2,139,690.16 : x
  2. Step 2: Convert to fraction form
    3,881,711.52/5,357,069.20 = 2,139,690.16/x
  3. Step 3: Cross multiply
    3,881,711.52x = 5,357,069.20 × 2,139,690.16
  4. Step 4: Simplify right side
    3,881,711.52x = 11,462,468,253,679.07
  5. Step 5: Solve for x
    x = 11,462,468,253,679.07/3,881,711.52
  6. Step 6: Final answer
    x = 2,952,941.81

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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.