Home / 2,810,787.57-3,878,888.12-1,521,627.93

Finding the Fourth Proportional to 2,810,787.57, 3,878,888.12 and 1,521,627.93

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Solution

The fourth proportional to 2,810,787.57, 3,878,888.12 and 1,521,627.93 is: 2,099,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,787.57 : 3,878,888.12 = 1,521,627.93 : x
  2. Step 2: Convert to fraction form
    2,810,787.57/3,878,888.12 = 1,521,627.93/x
  3. Step 3: Cross multiply
    2,810,787.57x = 3,878,888.12 × 1,521,627.93
  4. Step 4: Simplify right side
    2,810,787.57x = 5,902,224,493,129.05
  5. Step 5: Solve for x
    x = 5,902,224,493,129.05/2,810,787.57
  6. Step 6: Final answer
    x = 2,099,847.23

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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.