Home / 1,921,386.28-2,651,650.32-1,061,928.04

Finding the Fourth Proportional to 1,921,386.28, 2,651,650.32 and 1,061,928.04

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Solution

The fourth proportional to 1,921,386.28, 2,651,650.32 and 1,061,928.04 is: 1,465,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,386.28 : 2,651,650.32 = 1,061,928.04 : x
  2. Step 2: Convert to fraction form
    1,921,386.28/2,651,650.32 = 1,061,928.04/x
  3. Step 3: Cross multiply
    1,921,386.28x = 2,651,650.32 × 1,061,928.04
  4. Step 4: Simplify right side
    1,921,386.28x = 2,815,861,827,082.97
  5. Step 5: Solve for x
    x = 2,815,861,827,082.97/1,921,386.28
  6. Step 6: Final answer
    x = 1,465,536.55

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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.