Home / 3,145,786.20-4,709,348.10-2,082,029.40

Finding the Fourth Proportional to 3,145,786.20, 4,709,348.10 and 2,082,029.40

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Solution

The fourth proportional to 3,145,786.20, 4,709,348.10 and 2,082,029.40 is: 3,116,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,786.20 : 4,709,348.10 = 2,082,029.40 : x
  2. Step 2: Convert to fraction form
    3,145,786.20/4,709,348.10 = 2,082,029.40/x
  3. Step 3: Cross multiply
    3,145,786.20x = 4,709,348.10 × 2,082,029.40
  4. Step 4: Simplify right side
    3,145,786.20x = 9,805,001,199,034.14
  5. Step 5: Solve for x
    x = 9,805,001,199,034.14/3,145,786.20
  6. Step 6: Final answer
    x = 3,116,868.27

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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.