Home / 2,289,396.20-3,159,378.96-1,430,454.56

Finding the Fourth Proportional to 2,289,396.20, 3,159,378.96 and 1,430,454.56

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Solution

The fourth proportional to 2,289,396.20, 3,159,378.96 and 1,430,454.56 is: 1,974,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,396.20 : 3,159,378.96 = 1,430,454.56 : x
  2. Step 2: Convert to fraction form
    2,289,396.20/3,159,378.96 = 1,430,454.56/x
  3. Step 3: Cross multiply
    2,289,396.20x = 3,159,378.96 × 1,430,454.56
  4. Step 4: Simplify right side
    2,289,396.20x = 4,519,348,040,100.06
  5. Step 5: Solve for x
    x = 4,519,348,040,100.06/2,289,396.20
  6. Step 6: Final answer
    x = 1,974,034.92

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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.