Home / 3,860,728.68-5,328,278.08-2,229,133.30

Finding the Fourth Proportional to 3,860,728.68, 5,328,278.08 and 2,229,133.30

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Solution

The fourth proportional to 3,860,728.68, 5,328,278.08 and 2,229,133.30 is: 3,076,476.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,728.68 : 5,328,278.08 = 2,229,133.30 : x
  2. Step 2: Convert to fraction form
    3,860,728.68/5,328,278.08 = 2,229,133.30/x
  3. Step 3: Cross multiply
    3,860,728.68x = 5,328,278.08 × 2,229,133.30
  4. Step 4: Simplify right side
    3,860,728.68x = 11,877,442,088,642.40
  5. Step 5: Solve for x
    x = 11,877,442,088,642.40/3,860,728.68
  6. Step 6: Final answer
    x = 3,076,476.77

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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.