Home / 3,918,126.02-5,406,717.20-2,198,914.52

Finding the Fourth Proportional to 3,918,126.02, 5,406,717.20 and 2,198,914.52

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Solution

The fourth proportional to 3,918,126.02, 5,406,717.20 and 2,198,914.52 is: 3,034,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,126.02 : 5,406,717.20 = 2,198,914.52 : x
  2. Step 2: Convert to fraction form
    3,918,126.02/5,406,717.20 = 2,198,914.52/x
  3. Step 3: Cross multiply
    3,918,126.02x = 5,406,717.20 × 2,198,914.52
  4. Step 4: Simplify right side
    3,918,126.02x = 11,888,908,956,613.74
  5. Step 5: Solve for x
    x = 11,888,908,956,613.74/3,918,126.02
  6. Step 6: Final answer
    x = 3,034,335.52

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