Home / 2,112,155.04-2,915,278.08-1,253,213.76

Finding the Fourth Proportional to 2,112,155.04, 2,915,278.08 and 1,253,213.76

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Solution

The fourth proportional to 2,112,155.04, 2,915,278.08 and 1,253,213.76 is: 1,729,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,155.04 : 2,915,278.08 = 1,253,213.76 : x
  2. Step 2: Convert to fraction form
    2,112,155.04/2,915,278.08 = 1,253,213.76/x
  3. Step 3: Cross multiply
    2,112,155.04x = 2,915,278.08 × 1,253,213.76
  4. Step 4: Simplify right side
    2,112,155.04x = 3,653,466,604,082.38
  5. Step 5: Solve for x
    x = 3,653,466,604,082.38/2,112,155.04
  6. Step 6: Final answer
    x = 1,729,734.10

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Double scale
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1.5x scale

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.