Home / 5,071,822.78-6,999,833.10-3,138,705.94

Finding the Fourth Proportional to 5,071,822.78, 6,999,833.10 and 3,138,705.94

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Solution

The fourth proportional to 5,071,822.78, 6,999,833.10 and 3,138,705.94 is: 4,331,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071,822.78 : 6,999,833.10 = 3,138,705.94 : x
  2. Step 2: Convert to fraction form
    5,071,822.78/6,999,833.10 = 3,138,705.94/x
  3. Step 3: Cross multiply
    5,071,822.78x = 6,999,833.10 × 3,138,705.94
  4. Step 4: Simplify right side
    5,071,822.78x = 21,970,417,729,978.61
  5. Step 5: Solve for x
    x = 21,970,417,729,978.61/5,071,822.78
  6. Step 6: Final answer
    x = 4,331,858.32

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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.