Home / 6,391,723.60-9,587,585.40-3,405,739.60

Finding the Fourth Proportional to 6,391,723.60, 9,587,585.40 and 3,405,739.60

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Solution

The fourth proportional to 6,391,723.60, 9,587,585.40 and 3,405,739.60 is: 5,108,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,723.60 : 9,587,585.40 = 3,405,739.60 : x
  2. Step 2: Convert to fraction form
    6,391,723.60/9,587,585.40 = 3,405,739.60/x
  3. Step 3: Cross multiply
    6,391,723.60x = 9,587,585.40 × 3,405,739.60
  4. Step 4: Simplify right side
    6,391,723.60x = 32,652,819,265,161.84
  5. Step 5: Solve for x
    x = 32,652,819,265,161.84/6,391,723.60
  6. Step 6: Final answer
    x = 5,108,609.40

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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.