Home / 2,189,128.80-3,283,693.20-591,938.40

Finding the Fourth Proportional to 2,189,128.80, 3,283,693.20 and 591,938.40

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Solution

The fourth proportional to 2,189,128.80, 3,283,693.20 and 591,938.40 is: 887,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,128.80 : 3,283,693.20 = 591,938.40 : x
  2. Step 2: Convert to fraction form
    2,189,128.80/3,283,693.20 = 591,938.40/x
  3. Step 3: Cross multiply
    2,189,128.80x = 3,283,693.20 × 591,938.40
  4. Step 4: Simplify right side
    2,189,128.80x = 1,943,744,098,898.88
  5. Step 5: Solve for x
    x = 1,943,744,098,898.88/2,189,128.80
  6. Step 6: Final answer
    x = 887,907.60

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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.