Home / 3,102,154.26-4,280,972.76-1,814,076.87

Finding the Fourth Proportional to 3,102,154.26, 4,280,972.76 and 1,814,076.87

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Solution

The fourth proportional to 3,102,154.26, 4,280,972.76 and 1,814,076.87 is: 2,503,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,154.26 : 4,280,972.76 = 1,814,076.87 : x
  2. Step 2: Convert to fraction form
    3,102,154.26/4,280,972.76 = 1,814,076.87/x
  3. Step 3: Cross multiply
    3,102,154.26x = 4,280,972.76 × 1,814,076.87
  4. Step 4: Simplify right side
    3,102,154.26x = 7,766,013,665,016.06
  5. Step 5: Solve for x
    x = 7,766,013,665,016.06/3,102,154.26
  6. Step 6: Final answer
    x = 2,503,426.01

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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.