Home / 3,418,332.80-5,127,499.20-1,621,212.80

Finding the Fourth Proportional to 3,418,332.80, 5,127,499.20 and 1,621,212.80

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Solution

The fourth proportional to 3,418,332.80, 5,127,499.20 and 1,621,212.80 is: 2,431,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,332.80 : 5,127,499.20 = 1,621,212.80 : x
  2. Step 2: Convert to fraction form
    3,418,332.80/5,127,499.20 = 1,621,212.80/x
  3. Step 3: Cross multiply
    3,418,332.80x = 5,127,499.20 × 1,621,212.80
  4. Step 4: Simplify right side
    3,418,332.80x = 8,312,767,335,029.76
  5. Step 5: Solve for x
    x = 8,312,767,335,029.76/3,418,332.80
  6. Step 6: Final answer
    x = 2,431,819.20

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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.