Home / 3,178,205.64-4,386,009.96-1,727,998.56

Finding the Fourth Proportional to 3,178,205.64, 4,386,009.96 and 1,727,998.56

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Solution

The fourth proportional to 3,178,205.64, 4,386,009.96 and 1,727,998.56 is: 2,384,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,205.64 : 4,386,009.96 = 1,727,998.56 : x
  2. Step 2: Convert to fraction form
    3,178,205.64/4,386,009.96 = 1,727,998.56/x
  3. Step 3: Cross multiply
    3,178,205.64x = 4,386,009.96 × 1,727,998.56
  4. Step 4: Simplify right side
    3,178,205.64x = 7,579,018,895,025.66
  5. Step 5: Solve for x
    x = 7,579,018,895,025.66/3,178,205.64
  6. Step 6: Final answer
    x = 2,384,684.87

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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.