Home / 1,577,617.38-2,366,426.07-1,440,759.78

Finding the Fourth Proportional to 1,577,617.38, 2,366,426.07 and 1,440,759.78

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Solution

The fourth proportional to 1,577,617.38, 2,366,426.07 and 1,440,759.78 is: 2,161,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,617.38 : 2,366,426.07 = 1,440,759.78 : x
  2. Step 2: Convert to fraction form
    1,577,617.38/2,366,426.07 = 1,440,759.78/x
  3. Step 3: Cross multiply
    1,577,617.38x = 2,366,426.07 × 1,440,759.78
  4. Step 4: Simplify right side
    1,577,617.38x = 3,409,451,503,999.46
  5. Step 5: Solve for x
    x = 3,409,451,503,999.46/1,577,617.38
  6. Step 6: Final answer
    x = 2,161,139.67

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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.