Home / 5,133,780.32-7,085,010.30-2,928,691.67

Finding the Fourth Proportional to 5,133,780.32, 7,085,010.30 and 2,928,691.67

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Solution

The fourth proportional to 5,133,780.32, 7,085,010.30 and 2,928,691.67 is: 4,041,818.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133,780.32 : 7,085,010.30 = 2,928,691.67 : x
  2. Step 2: Convert to fraction form
    5,133,780.32/7,085,010.30 = 2,928,691.67/x
  3. Step 3: Cross multiply
    5,133,780.32x = 7,085,010.30 × 2,928,691.67
  4. Step 4: Simplify right side
    5,133,780.32x = 20,749,810,647,474.20
  5. Step 5: Solve for x
    x = 20,749,810,647,474.20/5,133,780.32
  6. Step 6: Final answer
    x = 4,041,818.96

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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.