Home / 1,789,625.10-2,472,173.56-1,723,184.78

Finding the Fourth Proportional to 1,789,625.10, 2,472,173.56 and 1,723,184.78

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Solution

The fourth proportional to 1,789,625.10, 2,472,173.56 and 1,723,184.78 is: 2,380,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,625.10 : 2,472,173.56 = 1,723,184.78 : x
  2. Step 2: Convert to fraction form
    1,789,625.10/2,472,173.56 = 1,723,184.78/x
  3. Step 3: Cross multiply
    1,789,625.10x = 2,472,173.56 × 1,723,184.78
  4. Step 4: Simplify right side
    1,789,625.10x = 4,260,011,843,494.49
  5. Step 5: Solve for x
    x = 4,260,011,843,494.49/1,789,625.10
  6. Step 6: Final answer
    x = 2,380,393.44

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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.