Home / 2,412,939.60-3,620,721.60-993,139.20

Finding the Fourth Proportional to 2,412,939.60, 3,620,721.60 and 993,139.20

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Solution

The fourth proportional to 2,412,939.60, 3,620,721.60 and 993,139.20 is: 1,490,248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412,939.60 : 3,620,721.60 = 993,139.20 : x
  2. Step 2: Convert to fraction form
    2,412,939.60/3,620,721.60 = 993,139.20/x
  3. Step 3: Cross multiply
    2,412,939.60x = 3,620,721.60 × 993,139.20
  4. Step 4: Simplify right side
    2,412,939.60x = 3,595,880,553,246.72
  5. Step 5: Solve for x
    x = 3,595,880,553,246.72/2,412,939.60
  6. Step 6: Final answer
    x = 1,490,248.89

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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.