Home / 2,666,489.65-3,680,234.72-1,505,289.85

Finding the Fourth Proportional to 2,666,489.65, 3,680,234.72 and 1,505,289.85

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Solution

The fourth proportional to 2,666,489.65, 3,680,234.72 and 1,505,289.85 is: 2,077,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,489.65 : 3,680,234.72 = 1,505,289.85 : x
  2. Step 2: Convert to fraction form
    2,666,489.65/3,680,234.72 = 1,505,289.85/x
  3. Step 3: Cross multiply
    2,666,489.65x = 3,680,234.72 × 1,505,289.85
  4. Step 4: Simplify right side
    2,666,489.65x = 5,539,819,969,633.59
  5. Step 5: Solve for x
    x = 5,539,819,969,633.59/2,666,489.65
  6. Step 6: Final answer
    x = 2,077,570.40

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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.