Home / 3,390,015.28-4,678,248.84-1,862,156.56

Finding the Fourth Proportional to 3,390,015.28, 4,678,248.84 and 1,862,156.56

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Solution

The fourth proportional to 3,390,015.28, 4,678,248.84 and 1,862,156.56 is: 2,569,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,015.28 : 4,678,248.84 = 1,862,156.56 : x
  2. Step 2: Convert to fraction form
    3,390,015.28/4,678,248.84 = 1,862,156.56/x
  3. Step 3: Cross multiply
    3,390,015.28x = 4,678,248.84 × 1,862,156.56
  4. Step 4: Simplify right side
    3,390,015.28x = 8,711,631,766,718.39
  5. Step 5: Solve for x
    x = 8,711,631,766,718.39/3,390,015.28
  6. Step 6: Final answer
    x = 2,569,791.30

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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.