Home / 5,143,731.20-7,098,783.60-2,852,630

Finding the Fourth Proportional to 5,143,731.20, 7,098,783.60 and 2,852,630

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Solution

The fourth proportional to 5,143,731.20, 7,098,783.60 and 2,852,630 is: 3,936,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143,731.20 : 7,098,783.60 = 2,852,630 : x
  2. Step 2: Convert to fraction form
    5,143,731.20/7,098,783.60 = 2,852,630/x
  3. Step 3: Cross multiply
    5,143,731.20x = 7,098,783.60 × 2,852,630
  4. Step 4: Simplify right side
    5,143,731.20x = 20,250,203,060,868
  5. Step 5: Solve for x
    x = 20,250,203,060,868/5,143,731.20
  6. Step 6: Final answer
    x = 3,936,870.39

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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.