Home / 2,082,903.80-3,124,355.70-663,103.40

Finding the Fourth Proportional to 2,082,903.80, 3,124,355.70 and 663,103.40

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Solution

The fourth proportional to 2,082,903.80, 3,124,355.70 and 663,103.40 is: 994,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082,903.80 : 3,124,355.70 = 663,103.40 : x
  2. Step 2: Convert to fraction form
    2,082,903.80/3,124,355.70 = 663,103.40/x
  3. Step 3: Cross multiply
    2,082,903.80x = 3,124,355.70 × 663,103.40
  4. Step 4: Simplify right side
    2,082,903.80x = 2,071,770,887,479.38
  5. Step 5: Solve for x
    x = 2,071,770,887,479.38/2,082,903.80
  6. Step 6: Final answer
    x = 994,655.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.