Home / 3,919,741.80-5,876,832.78-1,521,565.08

Finding the Fourth Proportional to 3,919,741.80, 5,876,832.78 and 1,521,565.08

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Solution

The fourth proportional to 3,919,741.80, 5,876,832.78 and 1,521,565.08 is: 2,281,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,741.80 : 5,876,832.78 = 1,521,565.08 : x
  2. Step 2: Convert to fraction form
    3,919,741.80/5,876,832.78 = 1,521,565.08/x
  3. Step 3: Cross multiply
    3,919,741.80x = 5,876,832.78 × 1,521,565.08
  4. Step 4: Simplify right side
    3,919,741.80x = 8,941,983,539,047.32
  5. Step 5: Solve for x
    x = 8,941,983,539,047.32/3,919,741.80
  6. Step 6: Final answer
    x = 2,281,268.51

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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.