Home / 3,986,436.78-5,501,206.02-2,175,613.74

Finding the Fourth Proportional to 3,986,436.78, 5,501,206.02 and 2,175,613.74

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Solution

The fourth proportional to 3,986,436.78, 5,501,206.02 and 2,175,613.74 is: 3,002,305.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,436.78 : 5,501,206.02 = 2,175,613.74 : x
  2. Step 2: Convert to fraction form
    3,986,436.78/5,501,206.02 = 2,175,613.74/x
  3. Step 3: Cross multiply
    3,986,436.78x = 5,501,206.02 × 2,175,613.74
  4. Step 4: Simplify right side
    3,986,436.78x = 11,968,499,403,682.71
  5. Step 5: Solve for x
    x = 11,968,499,403,682.71/3,986,436.78
  6. Step 6: Final answer
    x = 3,002,305.08

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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.