Home / 3,479,969.40-5,215,806.90-1,458,209.40

Finding the Fourth Proportional to 3,479,969.40, 5,215,806.90 and 1,458,209.40

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Solution

The fourth proportional to 3,479,969.40, 5,215,806.90 and 1,458,209.40 is: 2,185,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,969.40 : 5,215,806.90 = 1,458,209.40 : x
  2. Step 2: Convert to fraction form
    3,479,969.40/5,215,806.90 = 1,458,209.40/x
  3. Step 3: Cross multiply
    3,479,969.40x = 5,215,806.90 × 1,458,209.40
  4. Step 4: Simplify right side
    3,479,969.40x = 7,605,738,650,164.86
  5. Step 5: Solve for x
    x = 7,605,738,650,164.86/3,479,969.40
  6. Step 6: Final answer
    x = 2,185,576.30

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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.