Home / 6,189,730-8,541,858.32-3,867,970.72

Finding the Fourth Proportional to 6,189,730, 8,541,858.32 and 3,867,970.72

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Solution

The fourth proportional to 6,189,730, 8,541,858.32 and 3,867,970.72 is: 5,337,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189,730 : 8,541,858.32 = 3,867,970.72 : x
  2. Step 2: Convert to fraction form
    6,189,730/8,541,858.32 = 3,867,970.72/x
  3. Step 3: Cross multiply
    6,189,730x = 8,541,858.32 × 3,867,970.72
  4. Step 4: Simplify right side
    6,189,730x = 33,039,657,876,148.39
  5. Step 5: Solve for x
    x = 33,039,657,876,148.39/6,189,730
  6. Step 6: Final answer
    x = 5,337,818.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.