Home / 3,982,747.40-5,974,121.10-1,323,355.40

Finding the Fourth Proportional to 3,982,747.40, 5,974,121.10 and 1,323,355.40

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Solution

The fourth proportional to 3,982,747.40, 5,974,121.10 and 1,323,355.40 is: 1,985,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982,747.40 : 5,974,121.10 = 1,323,355.40 : x
  2. Step 2: Convert to fraction form
    3,982,747.40/5,974,121.10 = 1,323,355.40/x
  3. Step 3: Cross multiply
    3,982,747.40x = 5,974,121.10 × 1,323,355.40
  4. Step 4: Simplify right side
    3,982,747.40x = 7,905,885,417,938.94
  5. Step 5: Solve for x
    x = 7,905,885,417,938.94/3,982,747.40
  6. Step 6: Final answer
    x = 1,985,033.10

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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.