Home / 2,772,129.27-4,148,077.66-1,635,436.02

Finding the Fourth Proportional to 2,772,129.27, 4,148,077.66 and 1,635,436.02

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Solution

The fourth proportional to 2,772,129.27, 4,148,077.66 and 1,635,436.02 is: 2,447,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,129.27 : 4,148,077.66 = 1,635,436.02 : x
  2. Step 2: Convert to fraction form
    2,772,129.27/4,148,077.66 = 1,635,436.02/x
  3. Step 3: Cross multiply
    2,772,129.27x = 4,148,077.66 × 1,635,436.02
  4. Step 4: Simplify right side
    2,772,129.27x = 6,783,915,611,654.74
  5. Step 5: Solve for x
    x = 6,783,915,611,654.74/2,772,129.27
  6. Step 6: Final answer
    x = 2,447,185.88

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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.