Home / 1,978,213.83-2,730,050.19-1,107,041.15

Finding the Fourth Proportional to 1,978,213.83, 2,730,050.19 and 1,107,041.15

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Solution

The fourth proportional to 1,978,213.83, 2,730,050.19 and 1,107,041.15 is: 1,527,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,213.83 : 2,730,050.19 = 1,107,041.15 : x
  2. Step 2: Convert to fraction form
    1,978,213.83/2,730,050.19 = 1,107,041.15/x
  3. Step 3: Cross multiply
    1,978,213.83x = 2,730,050.19 × 1,107,041.15
  4. Step 4: Simplify right side
    1,978,213.83x = 3,022,277,888,245.07
  5. Step 5: Solve for x
    x = 3,022,277,888,245.07/1,978,213.83
  6. Step 6: Final answer
    x = 1,527,781.19

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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.