Home / 2,398,933.60-3,598,400.40-1,279,189.60

Finding the Fourth Proportional to 2,398,933.60, 3,598,400.40 and 1,279,189.60

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Solution

The fourth proportional to 2,398,933.60, 3,598,400.40 and 1,279,189.60 is: 1,918,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398,933.60 : 3,598,400.40 = 1,279,189.60 : x
  2. Step 2: Convert to fraction form
    2,398,933.60/3,598,400.40 = 1,279,189.60/x
  3. Step 3: Cross multiply
    2,398,933.60x = 3,598,400.40 × 1,279,189.60
  4. Step 4: Simplify right side
    2,398,933.60x = 4,603,036,368,315.84
  5. Step 5: Solve for x
    x = 4,603,036,368,315.84/2,398,933.60
  6. Step 6: Final answer
    x = 1,918,784.40

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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.