Home / 2,670,165.78-4,006,142.91-873,132.18

Finding the Fourth Proportional to 2,670,165.78, 4,006,142.91 and 873,132.18

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Solution

The fourth proportional to 2,670,165.78, 4,006,142.91 and 873,132.18 is: 1,309,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670,165.78 : 4,006,142.91 = 873,132.18 : x
  2. Step 2: Convert to fraction form
    2,670,165.78/4,006,142.91 = 873,132.18/x
  3. Step 3: Cross multiply
    2,670,165.78x = 4,006,142.91 × 873,132.18
  4. Step 4: Simplify right side
    2,670,165.78x = 3,497,892,292,399.84
  5. Step 5: Solve for x
    x = 3,497,892,292,399.84/2,670,165.78
  6. Step 6: Final answer
    x = 1,309,990.68

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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.