Home / 2,145,809.60-3,214,048.80-1,302,891.20

Finding the Fourth Proportional to 2,145,809.60, 3,214,048.80 and 1,302,891.20

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Solution

The fourth proportional to 2,145,809.60, 3,214,048.80 and 1,302,891.20 is: 1,951,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,809.60 : 3,214,048.80 = 1,302,891.20 : x
  2. Step 2: Convert to fraction form
    2,145,809.60/3,214,048.80 = 1,302,891.20/x
  3. Step 3: Cross multiply
    2,145,809.60x = 3,214,048.80 × 1,302,891.20
  4. Step 4: Simplify right side
    2,145,809.60x = 4,187,555,897,890.56
  5. Step 5: Solve for x
    x = 4,187,555,897,890.56/2,145,809.60
  6. Step 6: Final answer
    x = 1,951,503.94

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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.