Home / 2,098,155.60-3,147,233.40-768,286.80

Finding the Fourth Proportional to 2,098,155.60, 3,147,233.40 and 768,286.80

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Solution

The fourth proportional to 2,098,155.60, 3,147,233.40 and 768,286.80 is: 1,152,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,155.60 : 3,147,233.40 = 768,286.80 : x
  2. Step 2: Convert to fraction form
    2,098,155.60/3,147,233.40 = 768,286.80/x
  3. Step 3: Cross multiply
    2,098,155.60x = 3,147,233.40 × 768,286.80
  4. Step 4: Simplify right side
    2,098,155.60x = 2,417,977,877,739.12
  5. Step 5: Solve for x
    x = 2,417,977,877,739.12/2,098,155.60
  6. Step 6: Final answer
    x = 1,152,430.20

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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.