Home / 2,810,123.62-3,878,064.48-1,722,185.02

Finding the Fourth Proportional to 2,810,123.62, 3,878,064.48 and 1,722,185.02

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Solution

The fourth proportional to 2,810,123.62, 3,878,064.48 and 1,722,185.02 is: 2,376,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,123.62 : 3,878,064.48 = 1,722,185.02 : x
  2. Step 2: Convert to fraction form
    2,810,123.62/3,878,064.48 = 1,722,185.02/x
  3. Step 3: Cross multiply
    2,810,123.62x = 3,878,064.48 × 1,722,185.02
  4. Step 4: Simplify right side
    2,810,123.62x = 6,678,744,554,050.09
  5. Step 5: Solve for x
    x = 6,678,744,554,050.09/2,810,123.62
  6. Step 6: Final answer
    x = 2,376,672.86

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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.