Home / 3,579,115.96-4,939,106.68-1,947,555.64

Finding the Fourth Proportional to 3,579,115.96, 4,939,106.68 and 1,947,555.64

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Solution

The fourth proportional to 3,579,115.96, 4,939,106.68 and 1,947,555.64 is: 2,687,586.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,115.96 : 4,939,106.68 = 1,947,555.64 : x
  2. Step 2: Convert to fraction form
    3,579,115.96/4,939,106.68 = 1,947,555.64/x
  3. Step 3: Cross multiply
    3,579,115.96x = 4,939,106.68 × 1,947,555.64
  4. Step 4: Simplify right side
    3,579,115.96x = 9,619,185,071,195.67
  5. Step 5: Solve for x
    x = 9,619,185,071,195.67/3,579,115.96
  6. Step 6: Final answer
    x = 2,687,586.87

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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.