Home / 2,670,165.28-4,006,142.16-873,131.68

Finding the Fourth Proportional to 2,670,165.28, 4,006,142.16 and 873,131.68

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Solution

The fourth proportional to 2,670,165.28, 4,006,142.16 and 873,131.68 is: 1,309,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670,165.28 : 4,006,142.16 = 873,131.68 : x
  2. Step 2: Convert to fraction form
    2,670,165.28/4,006,142.16 = 873,131.68/x
  3. Step 3: Cross multiply
    2,670,165.28x = 4,006,142.16 × 873,131.68
  4. Step 4: Simplify right side
    2,670,165.28x = 3,497,889,634,479.63
  5. Step 5: Solve for x
    x = 3,497,889,634,479.63/2,670,165.28
  6. Step 6: Final answer
    x = 1,309,989.93

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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.