Home / 6,172,778.40-8,518,340.88-3,456,621.60

Finding the Fourth Proportional to 6,172,778.40, 8,518,340.88 and 3,456,621.60

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Solution

The fourth proportional to 6,172,778.40, 8,518,340.88 and 3,456,621.60 is: 4,770,085.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,778.40 : 8,518,340.88 = 3,456,621.60 : x
  2. Step 2: Convert to fraction form
    6,172,778.40/8,518,340.88 = 3,456,621.60/x
  3. Step 3: Cross multiply
    6,172,778.40x = 8,518,340.88 × 3,456,621.60
  4. Step 4: Simplify right side
    6,172,778.40x = 29,444,681,081,971.01
  5. Step 5: Solve for x
    x = 29,444,681,081,971.01/6,172,778.40
  6. Step 6: Final answer
    x = 4,770,085.56

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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.