Home / 2,039,349-2,814,242.12-1,121,577.20

Finding the Fourth Proportional to 2,039,349, 2,814,242.12 and 1,121,577.20

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Solution

The fourth proportional to 2,039,349, 2,814,242.12 and 1,121,577.20 is: 1,547,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,349 : 2,814,242.12 = 1,121,577.20 : x
  2. Step 2: Convert to fraction form
    2,039,349/2,814,242.12 = 1,121,577.20/x
  3. Step 3: Cross multiply
    2,039,349x = 2,814,242.12 × 1,121,577.20
  4. Step 4: Simplify right side
    2,039,349x = 3,156,389,797,071.66
  5. Step 5: Solve for x
    x = 3,156,389,797,071.66/2,039,349
  6. Step 6: Final answer
    x = 1,547,743.81

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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.