Home / 3,613,132.20-4,985,763.30-2,085,731.40

Finding the Fourth Proportional to 3,613,132.20, 4,985,763.30 and 2,085,731.40

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Solution

The fourth proportional to 3,613,132.20, 4,985,763.30 and 2,085,731.40 is: 2,878,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,132.20 : 4,985,763.30 = 2,085,731.40 : x
  2. Step 2: Convert to fraction form
    3,613,132.20/4,985,763.30 = 2,085,731.40/x
  3. Step 3: Cross multiply
    3,613,132.20x = 4,985,763.30 × 2,085,731.40
  4. Step 4: Simplify right side
    3,613,132.20x = 10,398,963,067,777.62
  5. Step 5: Solve for x
    x = 10,398,963,067,777.62/3,613,132.20
  6. Step 6: Final answer
    x = 2,878,102.02

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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.