Home / 3,209,654.74-4,426,740.87-2,821,640.53

Finding the Fourth Proportional to 3,209,654.74, 4,426,740.87 and 2,821,640.53

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Solution

The fourth proportional to 3,209,654.74, 4,426,740.87 and 2,821,640.53 is: 3,891,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,654.74 : 4,426,740.87 = 2,821,640.53 : x
  2. Step 2: Convert to fraction form
    3,209,654.74/4,426,740.87 = 2,821,640.53/x
  3. Step 3: Cross multiply
    3,209,654.74x = 4,426,740.87 × 2,821,640.53
  4. Step 4: Simplify right side
    3,209,654.74x = 12,490,671,454,599.46
  5. Step 5: Solve for x
    x = 12,490,671,454,599.46/3,209,654.74
  6. Step 6: Final answer
    x = 3,891,593.48

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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.