Home / 2,912,194.70-4,368,292.05-2,660,252.30

Finding the Fourth Proportional to 2,912,194.70, 4,368,292.05 and 2,660,252.30

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Solution

The fourth proportional to 2,912,194.70, 4,368,292.05 and 2,660,252.30 is: 3,990,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,194.70 : 4,368,292.05 = 2,660,252.30 : x
  2. Step 2: Convert to fraction form
    2,912,194.70/4,368,292.05 = 2,660,252.30/x
  3. Step 3: Cross multiply
    2,912,194.70x = 4,368,292.05 × 2,660,252.30
  4. Step 4: Simplify right side
    2,912,194.70x = 11,620,758,973,084.21
  5. Step 5: Solve for x
    x = 11,620,758,973,084.21/2,912,194.70
  6. Step 6: Final answer
    x = 3,990,378.45

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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.