Home / 1,981,569.80-2,734,627.56-1,122,111.20

Finding the Fourth Proportional to 1,981,569.80, 2,734,627.56 and 1,122,111.20

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Solution

The fourth proportional to 1,981,569.80, 2,734,627.56 and 1,122,111.20 is: 1,548,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,569.80 : 2,734,627.56 = 1,122,111.20 : x
  2. Step 2: Convert to fraction form
    1,981,569.80/2,734,627.56 = 1,122,111.20/x
  3. Step 3: Cross multiply
    1,981,569.80x = 2,734,627.56 × 1,122,111.20
  4. Step 4: Simplify right side
    1,981,569.80x = 3,068,556,212,904.67
  5. Step 5: Solve for x
    x = 3,068,556,212,904.67/1,981,569.80
  6. Step 6: Final answer
    x = 1,548,548.13

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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.