Home / 3,209,659.12-4,426,746.89-2,821,644.92

Finding the Fourth Proportional to 3,209,659.12, 4,426,746.89 and 2,821,644.92

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Solution

The fourth proportional to 3,209,659.12, 4,426,746.89 and 2,821,644.92 is: 3,891,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,659.12 : 4,426,746.89 = 2,821,644.92 : x
  2. Step 2: Convert to fraction form
    3,209,659.12/4,426,746.89 = 2,821,644.92/x
  3. Step 3: Cross multiply
    3,209,659.12x = 4,426,746.89 × 2,821,644.92
  4. Step 4: Simplify right side
    3,209,659.12x = 12,490,707,874,294.30
  5. Step 5: Solve for x
    x = 12,490,707,874,294.30/3,209,659.12
  6. Step 6: Final answer
    x = 3,891,599.51

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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.