Home / 2,939,166.40-4,408,490.40-809,060.80

Finding the Fourth Proportional to 2,939,166.40, 4,408,490.40 and 809,060.80

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Solution

The fourth proportional to 2,939,166.40, 4,408,490.40 and 809,060.80 is: 1,213,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939,166.40 : 4,408,490.40 = 809,060.80 : x
  2. Step 2: Convert to fraction form
    2,939,166.40/4,408,490.40 = 809,060.80/x
  3. Step 3: Cross multiply
    2,939,166.40x = 4,408,490.40 × 809,060.80
  4. Step 4: Simplify right side
    2,939,166.40x = 3,566,736,769,816.32
  5. Step 5: Solve for x
    x = 3,566,736,769,816.32/2,939,166.40
  6. Step 6: Final answer
    x = 1,213,519.85

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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.