Home / 2,126,443.20-3,188,563.20-630,340.80

Finding the Fourth Proportional to 2,126,443.20, 3,188,563.20 and 630,340.80

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Solution

The fourth proportional to 2,126,443.20, 3,188,563.20 and 630,340.80 is: 945,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,443.20 : 3,188,563.20 = 630,340.80 : x
  2. Step 2: Convert to fraction form
    2,126,443.20/3,188,563.20 = 630,340.80/x
  3. Step 3: Cross multiply
    2,126,443.20x = 3,188,563.20 × 630,340.80
  4. Step 4: Simplify right side
    2,126,443.20x = 2,009,881,478,338.56
  5. Step 5: Solve for x
    x = 2,009,881,478,338.56/2,126,443.20
  6. Step 6: Final answer
    x = 945,184.65

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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.