Home / 3,897,318.86-5,373,405.87-2,980,672.46

Finding the Fourth Proportional to 3,897,318.86, 5,373,405.87 and 2,980,672.46

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Solution

The fourth proportional to 3,897,318.86, 5,373,405.87 and 2,980,672.46 is: 4,109,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897,318.86 : 5,373,405.87 = 2,980,672.46 : x
  2. Step 2: Convert to fraction form
    3,897,318.86/5,373,405.87 = 2,980,672.46/x
  3. Step 3: Cross multiply
    3,897,318.86x = 5,373,405.87 × 2,980,672.46
  4. Step 4: Simplify right side
    3,897,318.86x = 16,016,362,893,111.34
  5. Step 5: Solve for x
    x = 16,016,362,893,111.34/3,897,318.86
  6. Step 6: Final answer
    x = 4,109,584.94

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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.