Home / 2,711,569.88-4,067,378.64-689,815.92

Finding the Fourth Proportional to 2,711,569.88, 4,067,378.64 and 689,815.92

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Solution

The fourth proportional to 2,711,569.88, 4,067,378.64 and 689,815.92 is: 1,034,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711,569.88 : 4,067,378.64 = 689,815.92 : x
  2. Step 2: Convert to fraction form
    2,711,569.88/4,067,378.64 = 689,815.92/x
  3. Step 3: Cross multiply
    2,711,569.88x = 4,067,378.64 × 689,815.92
  4. Step 4: Simplify right side
    2,711,569.88x = 2,805,742,538,539.95
  5. Step 5: Solve for x
    x = 2,805,742,538,539.95/2,711,569.88
  6. Step 6: Final answer
    x = 1,034,729.94

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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.