Home / 2,912,389.20-4,368,583.80-2,660,446.80

Finding the Fourth Proportional to 2,912,389.20, 4,368,583.80 and 2,660,446.80

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Solution

The fourth proportional to 2,912,389.20, 4,368,583.80 and 2,660,446.80 is: 3,990,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,389.20 : 4,368,583.80 = 2,660,446.80 : x
  2. Step 2: Convert to fraction form
    2,912,389.20/4,368,583.80 = 2,660,446.80/x
  3. Step 3: Cross multiply
    2,912,389.20x = 4,368,583.80 × 2,660,446.80
  4. Step 4: Simplify right side
    2,912,389.20x = 11,622,384,791,241.84
  5. Step 5: Solve for x
    x = 11,622,384,791,241.84/2,912,389.20
  6. Step 6: Final answer
    x = 3,990,670.20

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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.