Home / 5,198,983.46-7,172,854.67-2,993,798.90

Finding the Fourth Proportional to 5,198,983.46, 7,172,854.67 and 2,993,798.90

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Solution

The fourth proportional to 5,198,983.46, 7,172,854.67 and 2,993,798.90 is: 4,130,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198,983.46 : 7,172,854.67 = 2,993,798.90 : x
  2. Step 2: Convert to fraction form
    5,198,983.46/7,172,854.67 = 2,993,798.90/x
  3. Step 3: Cross multiply
    5,198,983.46x = 7,172,854.67 × 2,993,798.90
  4. Step 4: Simplify right side
    5,198,983.46x = 21,474,084,370,072.59
  5. Step 5: Solve for x
    x = 21,474,084,370,072.59/5,198,983.46
  6. Step 6: Final answer
    x = 4,130,439.07

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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.