Home / 3,270,957.21-4,513,921.11-1,820,621.52

Finding the Fourth Proportional to 3,270,957.21, 4,513,921.11 and 1,820,621.52

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Solution

The fourth proportional to 3,270,957.21, 4,513,921.11 and 1,820,621.52 is: 2,512,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270,957.21 : 4,513,921.11 = 1,820,621.52 : x
  2. Step 2: Convert to fraction form
    3,270,957.21/4,513,921.11 = 1,820,621.52/x
  3. Step 3: Cross multiply
    3,270,957.21x = 4,513,921.11 × 1,820,621.52
  4. Step 4: Simplify right side
    3,270,957.21x = 8,218,141,912,448.29
  5. Step 5: Solve for x
    x = 8,218,141,912,448.29/3,270,957.21
  6. Step 6: Final answer
    x = 2,512,457.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.