Home / 2,238,861.60-3,354,598.80-1,290,578.40

Finding the Fourth Proportional to 2,238,861.60, 3,354,598.80 and 1,290,578.40

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Solution

The fourth proportional to 2,238,861.60, 3,354,598.80 and 1,290,578.40 is: 1,933,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,861.60 : 3,354,598.80 = 1,290,578.40 : x
  2. Step 2: Convert to fraction form
    2,238,861.60/3,354,598.80 = 1,290,578.40/x
  3. Step 3: Cross multiply
    2,238,861.60x = 3,354,598.80 × 1,290,578.40
  4. Step 4: Simplify right side
    2,238,861.60x = 4,329,372,751,945.92
  5. Step 5: Solve for x
    x = 4,329,372,751,945.92/2,238,861.60
  6. Step 6: Final answer
    x = 1,933,738.45

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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.