Home / 2,120,272.20-2,918,588.79-1,847,871.79

Finding the Fourth Proportional to 2,120,272.20, 2,918,588.79 and 1,847,871.79

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Solution

The fourth proportional to 2,120,272.20, 2,918,588.79 and 1,847,871.79 is: 2,543,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,272.20 : 2,918,588.79 = 1,847,871.79 : x
  2. Step 2: Convert to fraction form
    2,120,272.20/2,918,588.79 = 1,847,871.79/x
  3. Step 3: Cross multiply
    2,120,272.20x = 2,918,588.79 × 1,847,871.79
  4. Step 4: Simplify right side
    2,120,272.20x = 5,393,177,884,354.76
  5. Step 5: Solve for x
    x = 5,393,177,884,354.76/2,120,272.20
  6. Step 6: Final answer
    x = 2,543,625.24

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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.