Home / 6,841,409.76-9,442,141.92-3,940,236

Finding the Fourth Proportional to 6,841,409.76, 9,442,141.92 and 3,940,236

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Solution

The fourth proportional to 6,841,409.76, 9,442,141.92 and 3,940,236 is: 5,438,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,841,409.76 : 9,442,141.92 = 3,940,236 : x
  2. Step 2: Convert to fraction form
    6,841,409.76/9,442,141.92 = 3,940,236/x
  3. Step 3: Cross multiply
    6,841,409.76x = 9,442,141.92 × 3,940,236
  4. Step 4: Simplify right side
    6,841,409.76x = 37,204,267,510,293.12
  5. Step 5: Solve for x
    x = 37,204,267,510,293.12/6,841,409.76
  6. Step 6: Final answer
    x = 5,438,099.58

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1.5x scale

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.