Home / 2,080,748.43-3,121,108.06-1,070,152.13

Finding the Fourth Proportional to 2,080,748.43, 3,121,108.06 and 1,070,152.13

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Solution

The fourth proportional to 2,080,748.43, 3,121,108.06 and 1,070,152.13 is: 1,605,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,748.43 : 3,121,108.06 = 1,070,152.13 : x
  2. Step 2: Convert to fraction form
    2,080,748.43/3,121,108.06 = 1,070,152.13/x
  3. Step 3: Cross multiply
    2,080,748.43x = 3,121,108.06 × 1,070,152.13
  4. Step 4: Simplify right side
    2,080,748.43x = 3,340,060,438,369.17
  5. Step 5: Solve for x
    x = 3,340,060,438,369.17/2,080,748.43
  6. Step 6: Final answer
    x = 1,605,220.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.