Home / 2,015,263.72-2,781,318.16-1,155,805.52

Finding the Fourth Proportional to 2,015,263.72, 2,781,318.16 and 1,155,805.52

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Solution

The fourth proportional to 2,015,263.72, 2,781,318.16 and 1,155,805.52 is: 1,595,157.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,263.72 : 2,781,318.16 = 1,155,805.52 : x
  2. Step 2: Convert to fraction form
    2,015,263.72/2,781,318.16 = 1,155,805.52/x
  3. Step 3: Cross multiply
    2,015,263.72x = 2,781,318.16 × 1,155,805.52
  4. Step 4: Simplify right side
    2,015,263.72x = 3,214,662,882,204.24
  5. Step 5: Solve for x
    x = 3,214,662,882,204.24/2,015,263.72
  6. Step 6: Final answer
    x = 1,595,157.42

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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.