Home / 3,122,386-4,308,899.88-1,745,778.76

Finding the Fourth Proportional to 3,122,386, 4,308,899.88 and 1,745,778.76

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Solution

The fourth proportional to 3,122,386, 4,308,899.88 and 1,745,778.76 is: 2,409,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,386 : 4,308,899.88 = 1,745,778.76 : x
  2. Step 2: Convert to fraction form
    3,122,386/4,308,899.88 = 1,745,778.76/x
  3. Step 3: Cross multiply
    3,122,386x = 4,308,899.88 × 1,745,778.76
  4. Step 4: Simplify right side
    3,122,386x = 7,522,385,889,470.55
  5. Step 5: Solve for x
    x = 7,522,385,889,470.55/3,122,386
  6. Step 6: Final answer
    x = 2,409,178.71

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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.