Home / 3,540,965.40-5,313,176.10-1,646,731.80

Finding the Fourth Proportional to 3,540,965.40, 5,313,176.10 and 1,646,731.80

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Solution

The fourth proportional to 3,540,965.40, 5,313,176.10 and 1,646,731.80 is: 2,470,901.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540,965.40 : 5,313,176.10 = 1,646,731.80 : x
  2. Step 2: Convert to fraction form
    3,540,965.40/5,313,176.10 = 1,646,731.80/x
  3. Step 3: Cross multiply
    3,540,965.40x = 5,313,176.10 × 1,646,731.80
  4. Step 4: Simplify right side
    3,540,965.40x = 8,749,376,042,869.98
  5. Step 5: Solve for x
    x = 8,749,376,042,869.98/3,540,965.40
  6. Step 6: Final answer
    x = 2,470,901.31

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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.