Home / 3,857,549.80-5,323,734.18-2,139,209.32

Finding the Fourth Proportional to 3,857,549.80, 5,323,734.18 and 2,139,209.32

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Solution

The fourth proportional to 3,857,549.80, 5,323,734.18 and 2,139,209.32 is: 2,952,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857,549.80 : 5,323,734.18 = 2,139,209.32 : x
  2. Step 2: Convert to fraction form
    3,857,549.80/5,323,734.18 = 2,139,209.32/x
  3. Step 3: Cross multiply
    3,857,549.80x = 5,323,734.18 × 2,139,209.32
  4. Step 4: Simplify right side
    3,857,549.80x = 11,388,581,775,058.56
  5. Step 5: Solve for x
    x = 11,388,581,775,058.56/3,857,549.80
  6. Step 6: Final answer
    x = 2,952,283.80

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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.