Home / 6,970,978.86-10,456,476.45-2,178,693.24

Finding the Fourth Proportional to 6,970,978.86, 10,456,476.45 and 2,178,693.24

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Solution

The fourth proportional to 6,970,978.86, 10,456,476.45 and 2,178,693.24 is: 3,268,042.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970,978.86 : 10,456,476.45 = 2,178,693.24 : x
  2. Step 2: Convert to fraction form
    6,970,978.86/10,456,476.45 = 2,178,693.24/x
  3. Step 3: Cross multiply
    6,970,978.86x = 10,456,476.45 × 2,178,693.24
  4. Step 4: Simplify right side
    6,970,978.86x = 22,781,454,503,551.81
  5. Step 5: Solve for x
    x = 22,781,454,503,551.81/6,970,978.86
  6. Step 6: Final answer
    x = 3,268,042.41

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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.