Home / 6,129,744.71-8,458,735.05-3,376,372.86

Finding the Fourth Proportional to 6,129,744.71, 8,458,735.05 and 3,376,372.86

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Solution

The fourth proportional to 6,129,744.71, 8,458,735.05 and 3,376,372.86 is: 4,659,222.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129,744.71 : 8,458,735.05 = 3,376,372.86 : x
  2. Step 2: Convert to fraction form
    6,129,744.71/8,458,735.05 = 3,376,372.86/x
  3. Step 3: Cross multiply
    6,129,744.71x = 8,458,735.05 × 3,376,372.86
  4. Step 4: Simplify right side
    6,129,744.71x = 28,559,843,452,750.75
  5. Step 5: Solve for x
    x = 28,559,843,452,750.75/6,129,744.71
  6. Step 6: Final answer
    x = 4,659,222.34

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1.5x scale

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.