Home / 3,425,656.61-4,727,061.64-1,897,478.21

Finding the Fourth Proportional to 3,425,656.61, 4,727,061.64 and 1,897,478.21

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Solution

The fourth proportional to 3,425,656.61, 4,727,061.64 and 1,897,478.21 is: 2,618,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425,656.61 : 4,727,061.64 = 1,897,478.21 : x
  2. Step 2: Convert to fraction form
    3,425,656.61/4,727,061.64 = 1,897,478.21/x
  3. Step 3: Cross multiply
    3,425,656.61x = 4,727,061.64 × 1,897,478.21
  4. Step 4: Simplify right side
    3,425,656.61x = 8,969,496,459,226.86
  5. Step 5: Solve for x
    x = 8,969,496,459,226.86/3,425,656.61
  6. Step 6: Final answer
    x = 2,618,329.12

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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.