Home / 3,570,421.60-4,925,359.92-2,279,905.12

Finding the Fourth Proportional to 3,570,421.60, 4,925,359.92 and 2,279,905.12

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Solution

The fourth proportional to 3,570,421.60, 4,925,359.92 and 2,279,905.12 is: 3,145,105.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570,421.60 : 4,925,359.92 = 2,279,905.12 : x
  2. Step 2: Convert to fraction form
    3,570,421.60/4,925,359.92 = 2,279,905.12/x
  3. Step 3: Cross multiply
    3,570,421.60x = 4,925,359.92 × 2,279,905.12
  4. Step 4: Simplify right side
    3,570,421.60x = 11,229,353,299,450.79
  5. Step 5: Solve for x
    x = 11,229,353,299,450.79/3,570,421.60
  6. Step 6: Final answer
    x = 3,145,105.69

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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.