Home / 1,980,464.20-2,733,049.20-1,121,190.04

Finding the Fourth Proportional to 1,980,464.20, 2,733,049.20 and 1,121,190.04

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Solution

The fourth proportional to 1,980,464.20, 2,733,049.20 and 1,121,190.04 is: 1,547,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,464.20 : 2,733,049.20 = 1,121,190.04 : x
  2. Step 2: Convert to fraction form
    1,980,464.20/2,733,049.20 = 1,121,190.04/x
  3. Step 3: Cross multiply
    1,980,464.20x = 2,733,049.20 × 1,121,190.04
  4. Step 4: Simplify right side
    1,980,464.20x = 3,064,267,541,869.97
  5. Step 5: Solve for x
    x = 3,064,267,541,869.97/1,980,464.20
  6. Step 6: Final answer
    x = 1,547,247.13

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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.