Home / 2,689,687.61-4,032,332.78-1,251,267.63

Finding the Fourth Proportional to 2,689,687.61, 4,032,332.78 and 1,251,267.63

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Solution

The fourth proportional to 2,689,687.61, 4,032,332.78 and 1,251,267.63 is: 1,875,878.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,687.61 : 4,032,332.78 = 1,251,267.63 : x
  2. Step 2: Convert to fraction form
    2,689,687.61/4,032,332.78 = 1,251,267.63/x
  3. Step 3: Cross multiply
    2,689,687.61x = 4,032,332.78 × 1,251,267.63
  4. Step 4: Simplify right side
    2,689,687.61x = 5,045,527,474,745.57
  5. Step 5: Solve for x
    x = 5,045,527,474,745.57/2,689,687.61
  6. Step 6: Final answer
    x = 1,875,878.62

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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.