Home / 3,827,379.28-5,281,781.70-2,108,499.74

Finding the Fourth Proportional to 3,827,379.28, 5,281,781.70 and 2,108,499.74

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Solution

The fourth proportional to 3,827,379.28, 5,281,781.70 and 2,108,499.74 is: 2,909,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827,379.28 : 5,281,781.70 = 2,108,499.74 : x
  2. Step 2: Convert to fraction form
    3,827,379.28/5,281,781.70 = 2,108,499.74/x
  3. Step 3: Cross multiply
    3,827,379.28x = 5,281,781.70 × 2,108,499.74
  4. Step 4: Simplify right side
    3,827,379.28x = 11,136,635,341,186.76
  5. Step 5: Solve for x
    x = 11,136,635,341,186.76/3,827,379.28
  6. Step 6: Final answer
    x = 2,909,728.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.