Home / 2,982,666.40-4,473,999.60-988,122.40

Finding the Fourth Proportional to 2,982,666.40, 4,473,999.60 and 988,122.40

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Solution

The fourth proportional to 2,982,666.40, 4,473,999.60 and 988,122.40 is: 1,482,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982,666.40 : 4,473,999.60 = 988,122.40 : x
  2. Step 2: Convert to fraction form
    2,982,666.40/4,473,999.60 = 988,122.40/x
  3. Step 3: Cross multiply
    2,982,666.40x = 4,473,999.60 × 988,122.40
  4. Step 4: Simplify right side
    2,982,666.40x = 4,420,859,222,351.04
  5. Step 5: Solve for x
    x = 4,420,859,222,351.04/2,982,666.40
  6. Step 6: Final answer
    x = 1,482,183.60

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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.