Home / 3,130,666.20-4,692,500.10-1,333,243.80

Finding the Fourth Proportional to 3,130,666.20, 4,692,500.10 and 1,333,243.80

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Solution

The fourth proportional to 3,130,666.20, 4,692,500.10 and 1,333,243.80 is: 1,998,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,666.20 : 4,692,500.10 = 1,333,243.80 : x
  2. Step 2: Convert to fraction form
    3,130,666.20/4,692,500.10 = 1,333,243.80/x
  3. Step 3: Cross multiply
    3,130,666.20x = 4,692,500.10 × 1,333,243.80
  4. Step 4: Simplify right side
    3,130,666.20x = 6,256,246,664,824.38
  5. Step 5: Solve for x
    x = 6,256,246,664,824.38/3,130,666.20
  6. Step 6: Final answer
    x = 1,998,375.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.