Home / 2,113,296.20-3,171,693.90-977,805.80

Finding the Fourth Proportional to 2,113,296.20, 3,171,693.90 and 977,805.80

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Solution

The fourth proportional to 2,113,296.20, 3,171,693.90 and 977,805.80 is: 1,467,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,296.20 : 3,171,693.90 = 977,805.80 : x
  2. Step 2: Convert to fraction form
    2,113,296.20/3,171,693.90 = 977,805.80/x
  3. Step 3: Cross multiply
    2,113,296.20x = 3,171,693.90 × 977,805.80
  4. Step 4: Simplify right side
    2,113,296.20x = 3,101,300,691,244.62
  5. Step 5: Solve for x
    x = 3,101,300,691,244.62/2,113,296.20
  6. Step 6: Final answer
    x = 1,467,518.23

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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.