Home / 2,801,061.60-4,201,592.40-806,719.20

Finding the Fourth Proportional to 2,801,061.60, 4,201,592.40 and 806,719.20

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Solution

The fourth proportional to 2,801,061.60, 4,201,592.40 and 806,719.20 is: 1,210,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,061.60 : 4,201,592.40 = 806,719.20 : x
  2. Step 2: Convert to fraction form
    2,801,061.60/4,201,592.40 = 806,719.20/x
  3. Step 3: Cross multiply
    2,801,061.60x = 4,201,592.40 × 806,719.20
  4. Step 4: Simplify right side
    2,801,061.60x = 3,389,505,259,654.08
  5. Step 5: Solve for x
    x = 3,389,505,259,654.08/2,801,061.60
  6. Step 6: Final answer
    x = 1,210,078.80

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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.