Home / 1,899,138.60-2,620,806.66-1,039,691.16

Finding the Fourth Proportional to 1,899,138.60, 2,620,806.66 and 1,039,691.16

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Solution

The fourth proportional to 1,899,138.60, 2,620,806.66 and 1,039,691.16 is: 1,434,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,138.60 : 2,620,806.66 = 1,039,691.16 : x
  2. Step 2: Convert to fraction form
    1,899,138.60/2,620,806.66 = 1,039,691.16/x
  3. Step 3: Cross multiply
    1,899,138.60x = 2,620,806.66 × 1,039,691.16
  4. Step 4: Simplify right side
    1,899,138.60x = 2,724,829,516,471.13
  5. Step 5: Solve for x
    x = 2,724,829,516,471.13/1,899,138.60
  6. Step 6: Final answer
    x = 1,434,771.28

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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.