Home / 3,331,776.20-4,997,145.90-935,385.80

Finding the Fourth Proportional to 3,331,776.20, 4,997,145.90 and 935,385.80

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Solution

The fourth proportional to 3,331,776.20, 4,997,145.90 and 935,385.80 is: 1,402,933.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331,776.20 : 4,997,145.90 = 935,385.80 : x
  2. Step 2: Convert to fraction form
    3,331,776.20/4,997,145.90 = 935,385.80/x
  3. Step 3: Cross multiply
    3,331,776.20x = 4,997,145.90 × 935,385.80
  4. Step 4: Simplify right side
    3,331,776.20x = 4,674,259,315,388.22
  5. Step 5: Solve for x
    x = 4,674,259,315,388.22/3,331,776.20
  6. Step 6: Final answer
    x = 1,402,933.16

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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.