Home / 2,656,678.20-3,665,106.54-1,739,131.80

Finding the Fourth Proportional to 2,656,678.20, 3,665,106.54 and 1,739,131.80

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Solution

The fourth proportional to 2,656,678.20, 3,665,106.54 and 1,739,131.80 is: 2,399,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656,678.20 : 3,665,106.54 = 1,739,131.80 : x
  2. Step 2: Convert to fraction form
    2,656,678.20/3,665,106.54 = 1,739,131.80/x
  3. Step 3: Cross multiply
    2,656,678.20x = 3,665,106.54 × 1,739,131.80
  4. Step 4: Simplify right side
    2,656,678.20x = 6,374,103,334,101.97
  5. Step 5: Solve for x
    x = 6,374,103,334,101.97/2,656,678.20
  6. Step 6: Final answer
    x = 2,399,275.66

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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.