Home / 1,981,808.98-2,734,932.22-1,122,547.06

Finding the Fourth Proportional to 1,981,808.98, 2,734,932.22 and 1,122,547.06

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Solution

The fourth proportional to 1,981,808.98, 2,734,932.22 and 1,122,547.06 is: 1,549,135.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,808.98 : 2,734,932.22 = 1,122,547.06 : x
  2. Step 2: Convert to fraction form
    1,981,808.98/2,734,932.22 = 1,122,547.06/x
  3. Step 3: Cross multiply
    1,981,808.98x = 2,734,932.22 × 1,122,547.06
  4. Step 4: Simplify right side
    1,981,808.98x = 3,070,090,122,860.27
  5. Step 5: Solve for x
    x = 3,070,090,122,860.27/1,981,808.98
  6. Step 6: Final answer
    x = 1,549,135.24

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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.