Home / 5,405,129.38-7,459,078.24-2,957,740.72

Finding the Fourth Proportional to 5,405,129.38, 7,459,078.24 and 2,957,740.72

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Solution

The fourth proportional to 5,405,129.38, 7,459,078.24 and 2,957,740.72 is: 4,081,682.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405,129.38 : 7,459,078.24 = 2,957,740.72 : x
  2. Step 2: Convert to fraction form
    5,405,129.38/7,459,078.24 = 2,957,740.72/x
  3. Step 3: Cross multiply
    5,405,129.38x = 7,459,078.24 × 2,957,740.72
  4. Step 4: Simplify right side
    5,405,129.38x = 22,062,019,444,113.93
  5. Step 5: Solve for x
    x = 22,062,019,444,113.93/5,405,129.38
  6. Step 6: Final answer
    x = 4,081,682.03

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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.