Home / 6,381,670-9,572,588.38-2,121,838.24

Finding the Fourth Proportional to 6,381,670, 9,572,588.38 and 2,121,838.24

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Solution

The fourth proportional to 6,381,670, 9,572,588.38 and 2,121,838.24 is: 3,182,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,670 : 9,572,588.38 = 2,121,838.24 : x
  2. Step 2: Convert to fraction form
    6,381,670/9,572,588.38 = 2,121,838.24/x
  3. Step 3: Cross multiply
    6,381,670x = 9,572,588.38 × 2,121,838.24
  4. Step 4: Simplify right side
    6,381,670x = 20,311,484,080,463.66
  5. Step 5: Solve for x
    x = 20,311,484,080,463.66/6,381,670
  6. Step 6: Final answer
    x = 3,182,785.08

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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.