Home / 2,872,632.20-4,309,579.08-851,034.40

Finding the Fourth Proportional to 2,872,632.20, 4,309,579.08 and 851,034.40

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Solution

The fourth proportional to 2,872,632.20, 4,309,579.08 and 851,034.40 is: 1,276,738.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,632.20 : 4,309,579.08 = 851,034.40 : x
  2. Step 2: Convert to fraction form
    2,872,632.20/4,309,579.08 = 851,034.40/x
  3. Step 3: Cross multiply
    2,872,632.20x = 4,309,579.08 × 851,034.40
  4. Step 4: Simplify right side
    2,872,632.20x = 3,667,600,035,826.40
  5. Step 5: Solve for x
    x = 3,667,600,035,826.40/2,872,632.20
  6. Step 6: Final answer
    x = 1,276,738.47

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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.