Home / 2,164,926.88-2,989,069.20-1,349,456.80

Finding the Fourth Proportional to 2,164,926.88, 2,989,069.20 and 1,349,456.80

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Solution

The fourth proportional to 2,164,926.88, 2,989,069.20 and 1,349,456.80 is: 1,863,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,926.88 : 2,989,069.20 = 1,349,456.80 : x
  2. Step 2: Convert to fraction form
    2,164,926.88/2,989,069.20 = 1,349,456.80/x
  3. Step 3: Cross multiply
    2,164,926.88x = 2,989,069.20 × 1,349,456.80
  4. Step 4: Simplify right side
    2,164,926.88x = 4,033,619,757,610.56
  5. Step 5: Solve for x
    x = 4,033,619,757,610.56/2,164,926.88
  6. Step 6: Final answer
    x = 1,863,166.74

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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.