Home / 5,408,179.20-8,111,846.40-1,418,987.52

Finding the Fourth Proportional to 5,408,179.20, 8,111,846.40 and 1,418,987.52

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Solution

The fourth proportional to 5,408,179.20, 8,111,846.40 and 1,418,987.52 is: 2,128,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408,179.20 : 8,111,846.40 = 1,418,987.52 : x
  2. Step 2: Convert to fraction form
    5,408,179.20/8,111,846.40 = 1,418,987.52/x
  3. Step 3: Cross multiply
    5,408,179.20x = 8,111,846.40 × 1,418,987.52
  4. Step 4: Simplify right side
    5,408,179.20x = 11,510,608,805,756.93
  5. Step 5: Solve for x
    x = 11,510,608,805,756.93/5,408,179.20
  6. Step 6: Final answer
    x = 2,128,370.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.