Home / 2,138,467.88-2,948,721.50-1,362,871.22

Finding the Fourth Proportional to 2,138,467.88, 2,948,721.50 and 1,362,871.22

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Solution

The fourth proportional to 2,138,467.88, 2,948,721.50 and 1,362,871.22 is: 1,879,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,467.88 : 2,948,721.50 = 1,362,871.22 : x
  2. Step 2: Convert to fraction form
    2,138,467.88/2,948,721.50 = 1,362,871.22/x
  3. Step 3: Cross multiply
    2,138,467.88x = 2,948,721.50 × 1,362,871.22
  4. Step 4: Simplify right side
    2,138,467.88x = 4,018,727,656,808.80
  5. Step 5: Solve for x
    x = 4,018,727,656,808.80/2,138,467.88
  6. Step 6: Final answer
    x = 1,879,255.56

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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.