Home / 3,427,478.28-4,729,737.96-1,977,087.42

Finding the Fourth Proportional to 3,427,478.28, 4,729,737.96 and 1,977,087.42

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Solution

The fourth proportional to 3,427,478.28, 4,729,737.96 and 1,977,087.42 is: 2,728,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,478.28 : 4,729,737.96 = 1,977,087.42 : x
  2. Step 2: Convert to fraction form
    3,427,478.28/4,729,737.96 = 1,977,087.42/x
  3. Step 3: Cross multiply
    3,427,478.28x = 4,729,737.96 × 1,977,087.42
  4. Step 4: Simplify right side
    3,427,478.28x = 9,351,105,420,612.46
  5. Step 5: Solve for x
    x = 9,351,105,420,612.46/3,427,478.28
  6. Step 6: Final answer
    x = 2,728,275.62

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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.