Home / 5,405,367.79-7,459,408.06-2,957,978.71

Finding the Fourth Proportional to 5,405,367.79, 7,459,408.06 and 2,957,978.71

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Solution

The fourth proportional to 5,405,367.79, 7,459,408.06 and 2,957,978.71 is: 4,082,010.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405,367.79 : 7,459,408.06 = 2,957,978.71 : x
  2. Step 2: Convert to fraction form
    5,405,367.79/7,459,408.06 = 2,957,978.71/x
  3. Step 3: Cross multiply
    5,405,367.79x = 7,459,408.06 × 2,957,978.71
  4. Step 4: Simplify right side
    5,405,367.79x = 22,064,770,190,652.55
  5. Step 5: Solve for x
    x = 22,064,770,190,652.55/5,405,367.79
  6. Step 6: Final answer
    x = 4,082,010.89

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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.