Home / 2,289,381.60-3,435,627.60-1,278,501.60

Finding the Fourth Proportional to 2,289,381.60, 3,435,627.60 and 1,278,501.60

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Solution

The fourth proportional to 2,289,381.60, 3,435,627.60 and 1,278,501.60 is: 1,918,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,381.60 : 3,435,627.60 = 1,278,501.60 : x
  2. Step 2: Convert to fraction form
    2,289,381.60/3,435,627.60 = 1,278,501.60/x
  3. Step 3: Cross multiply
    2,289,381.60x = 3,435,627.60 × 1,278,501.60
  4. Step 4: Simplify right side
    2,289,381.60x = 4,392,455,383,604.16
  5. Step 5: Solve for x
    x = 4,392,455,383,604.16/2,289,381.60
  6. Step 6: Final answer
    x = 1,918,620.90

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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.