Home / 2,657,118.20-3,986,066.10-859,695.80

Finding the Fourth Proportional to 2,657,118.20, 3,986,066.10 and 859,695.80

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Solution

The fourth proportional to 2,657,118.20, 3,986,066.10 and 859,695.80 is: 1,289,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,118.20 : 3,986,066.10 = 859,695.80 : x
  2. Step 2: Convert to fraction form
    2,657,118.20/3,986,066.10 = 859,695.80/x
  3. Step 3: Cross multiply
    2,657,118.20x = 3,986,066.10 × 859,695.80
  4. Step 4: Simplify right side
    2,657,118.20x = 3,426,804,284,692.38
  5. Step 5: Solve for x
    x = 3,426,804,284,692.38/2,657,118.20
  6. Step 6: Final answer
    x = 1,289,669.49

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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.