Home / 6,970,981.37-10,456,480.20-2,178,695.75

Finding the Fourth Proportional to 6,970,981.37, 10,456,480.20 and 2,178,695.75

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Solution

The fourth proportional to 6,970,981.37, 10,456,480.20 and 2,178,695.75 is: 3,268,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970,981.37 : 10,456,480.20 = 2,178,695.75 : x
  2. Step 2: Convert to fraction form
    6,970,981.37/10,456,480.20 = 2,178,695.75/x
  3. Step 3: Cross multiply
    6,970,981.37x = 10,456,480.20 × 2,178,695.75
  4. Step 4: Simplify right side
    6,970,981.37x = 22,781,488,971,699.15
  5. Step 5: Solve for x
    x = 22,781,488,971,699.15/6,970,981.37
  6. Step 6: Final answer
    x = 3,268,046.17

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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.