Home / 3,078,022.80-4,617,034.20-2,912,685.60

Finding the Fourth Proportional to 3,078,022.80, 4,617,034.20 and 2,912,685.60

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Solution

The fourth proportional to 3,078,022.80, 4,617,034.20 and 2,912,685.60 is: 4,369,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,022.80 : 4,617,034.20 = 2,912,685.60 : x
  2. Step 2: Convert to fraction form
    3,078,022.80/4,617,034.20 = 2,912,685.60/x
  3. Step 3: Cross multiply
    3,078,022.80x = 4,617,034.20 × 2,912,685.60
  4. Step 4: Simplify right side
    3,078,022.80x = 13,447,969,029,047.52
  5. Step 5: Solve for x
    x = 13,447,969,029,047.52/3,078,022.80
  6. Step 6: Final answer
    x = 4,369,028.40

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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.