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Finding the Fourth Proportional to 2,656,017, 3,984,040.08 and 661,473

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Solution

The fourth proportional to 2,656,017, 3,984,040.08 and 661,473 is: 992,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656,017 : 3,984,040.08 = 661,473 : x
  2. Step 2: Convert to fraction form
    2,656,017/3,984,040.08 = 661,473/x
  3. Step 3: Cross multiply
    2,656,017x = 3,984,040.08 × 661,473
  4. Step 4: Simplify right side
    2,656,017x = 2,635,334,943,837.84
  5. Step 5: Solve for x
    x = 2,635,334,943,837.84/2,656,017
  6. Step 6: Final answer
    x = 992,213.13

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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.