Home / 3,425,681-4,727,058.02-1,897,405.80

Finding the Fourth Proportional to 3,425,681, 4,727,058.02 and 1,897,405.80

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Solution

The fourth proportional to 3,425,681, 4,727,058.02 and 1,897,405.80 is: 2,618,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425,681 : 4,727,058.02 = 1,897,405.80 : x
  2. Step 2: Convert to fraction form
    3,425,681/4,727,058.02 = 1,897,405.80/x
  3. Step 3: Cross multiply
    3,425,681x = 4,727,058.02 × 1,897,405.80
  4. Step 4: Simplify right side
    3,425,681x = 8,969,147,304,084.52
  5. Step 5: Solve for x
    x = 8,969,147,304,084.52/3,425,681
  6. Step 6: Final answer
    x = 2,618,208.56

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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.