Home / 2,989,760.30-4,486,040.13-1,306,645.10

Finding the Fourth Proportional to 2,989,760.30, 4,486,040.13 and 1,306,645.10

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Solution

The fourth proportional to 2,989,760.30, 4,486,040.13 and 1,306,645.10 is: 1,960,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,760.30 : 4,486,040.13 = 1,306,645.10 : x
  2. Step 2: Convert to fraction form
    2,989,760.30/4,486,040.13 = 1,306,645.10/x
  3. Step 3: Cross multiply
    2,989,760.30x = 4,486,040.13 × 1,306,645.10
  4. Step 4: Simplify right side
    2,989,760.30x = 5,861,662,354,267.86
  5. Step 5: Solve for x
    x = 5,861,662,354,267.86/2,989,760.30
  6. Step 6: Final answer
    x = 1,960,579.37

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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.