Home / 2,104,219.20-3,154,255.20-1,039,425.60

Finding the Fourth Proportional to 2,104,219.20, 3,154,255.20 and 1,039,425.60

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Solution

The fourth proportional to 2,104,219.20, 3,154,255.20 and 1,039,425.60 is: 1,558,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104,219.20 : 3,154,255.20 = 1,039,425.60 : x
  2. Step 2: Convert to fraction form
    2,104,219.20/3,154,255.20 = 1,039,425.60/x
  3. Step 3: Cross multiply
    2,104,219.20x = 3,154,255.20 × 1,039,425.60
  4. Step 4: Simplify right side
    2,104,219.20x = 3,278,613,603,813.12
  5. Step 5: Solve for x
    x = 3,278,613,603,813.12/2,104,219.20
  6. Step 6: Final answer
    x = 1,558,114.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.