Home / 4,920,987.30-7,381,480.95-2,225,400.45

Finding the Fourth Proportional to 4,920,987.30, 7,381,480.95 and 2,225,400.45

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Solution

The fourth proportional to 4,920,987.30, 7,381,480.95 and 2,225,400.45 is: 3,338,100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,987.30 : 7,381,480.95 = 2,225,400.45 : x
  2. Step 2: Convert to fraction form
    4,920,987.30/7,381,480.95 = 2,225,400.45/x
  3. Step 3: Cross multiply
    4,920,987.30x = 7,381,480.95 × 2,225,400.45
  4. Step 4: Simplify right side
    4,920,987.30x = 16,426,751,027,796.43
  5. Step 5: Solve for x
    x = 16,426,751,027,796.43/4,920,987.30
  6. Step 6: Final answer
    x = 3,338,100.68

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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.