Home / 2,145,858.95-2,961,282.92-1,178,986.86

Finding the Fourth Proportional to 2,145,858.95, 2,961,282.92 and 1,178,986.86

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Solution

The fourth proportional to 2,145,858.95, 2,961,282.92 and 1,178,986.86 is: 1,627,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,858.95 : 2,961,282.92 = 1,178,986.86 : x
  2. Step 2: Convert to fraction form
    2,145,858.95/2,961,282.92 = 1,178,986.86/x
  3. Step 3: Cross multiply
    2,145,858.95x = 2,961,282.92 × 1,178,986.86
  4. Step 4: Simplify right side
    2,145,858.95x = 3,491,313,645,527.50
  5. Step 5: Solve for x
    x = 3,491,313,645,527.50/2,145,858.95
  6. Step 6: Final answer
    x = 1,627,000.53

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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.