Home / 2,928,000.20-4,392,000.30-2,077,694.60

Finding the Fourth Proportional to 2,928,000.20, 4,392,000.30 and 2,077,694.60

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Solution

The fourth proportional to 2,928,000.20, 4,392,000.30 and 2,077,694.60 is: 3,116,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,000.20 : 4,392,000.30 = 2,077,694.60 : x
  2. Step 2: Convert to fraction form
    2,928,000.20/4,392,000.30 = 2,077,694.60/x
  3. Step 3: Cross multiply
    2,928,000.20x = 4,392,000.30 × 2,077,694.60
  4. Step 4: Simplify right side
    2,928,000.20x = 9,125,235,306,508.38
  5. Step 5: Solve for x
    x = 9,125,235,306,508.38/2,928,000.20
  6. Step 6: Final answer
    x = 3,116,541.90

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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.