Home / 2,810,787.85-3,878,888.43-1,521,628.21

Finding the Fourth Proportional to 2,810,787.85, 3,878,888.43 and 1,521,628.21

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Solution

The fourth proportional to 2,810,787.85, 3,878,888.43 and 1,521,628.21 is: 2,099,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,787.85 : 3,878,888.43 = 1,521,628.21 : x
  2. Step 2: Convert to fraction form
    2,810,787.85/3,878,888.43 = 1,521,628.21/x
  3. Step 3: Cross multiply
    2,810,787.85x = 3,878,888.43 × 1,521,628.21
  4. Step 4: Simplify right side
    2,810,787.85x = 5,902,226,058,530.61
  5. Step 5: Solve for x
    x = 5,902,226,058,530.61/2,810,787.85
  6. Step 6: Final answer
    x = 2,099,847.58

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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.