Home / 2,088,390.20-3,132,585.30-668,492.60

Finding the Fourth Proportional to 2,088,390.20, 3,132,585.30 and 668,492.60

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Solution

The fourth proportional to 2,088,390.20, 3,132,585.30 and 668,492.60 is: 1,002,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,390.20 : 3,132,585.30 = 668,492.60 : x
  2. Step 2: Convert to fraction form
    2,088,390.20/3,132,585.30 = 668,492.60/x
  3. Step 3: Cross multiply
    2,088,390.20x = 3,132,585.30 × 668,492.60
  4. Step 4: Simplify right side
    2,088,390.20x = 2,094,110,091,918.78
  5. Step 5: Solve for x
    x = 2,094,110,091,918.78/2,088,390.20
  6. Step 6: Final answer
    x = 1,002,738.90

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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.