Home / 1,691,922.54-2,335,411.42-1,512,561.20

Finding the Fourth Proportional to 1,691,922.54, 2,335,411.42 and 1,512,561.20

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Solution

The fourth proportional to 1,691,922.54, 2,335,411.42 and 1,512,561.20 is: 2,087,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,922.54 : 2,335,411.42 = 1,512,561.20 : x
  2. Step 2: Convert to fraction form
    1,691,922.54/2,335,411.42 = 1,512,561.20/x
  3. Step 3: Cross multiply
    1,691,922.54x = 2,335,411.42 × 1,512,561.20
  4. Step 4: Simplify right side
    1,691,922.54x = 3,532,452,699,928.90
  5. Step 5: Solve for x
    x = 3,532,452,699,928.90/1,691,922.54
  6. Step 6: Final answer
    x = 2,087,833.58

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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.