Home / 2,872,571.67-4,309,841.25-980,641.71

Finding the Fourth Proportional to 2,872,571.67, 4,309,841.25 and 980,641.71

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Solution

The fourth proportional to 2,872,571.67, 4,309,841.25 and 980,641.71 is: 1,471,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,571.67 : 4,309,841.25 = 980,641.71 : x
  2. Step 2: Convert to fraction form
    2,872,571.67/4,309,841.25 = 980,641.71/x
  3. Step 3: Cross multiply
    2,872,571.67x = 4,309,841.25 × 980,641.71
  4. Step 4: Simplify right side
    2,872,571.67x = 4,226,410,093,228.54
  5. Step 5: Solve for x
    x = 4,226,410,093,228.54/2,872,571.67
  6. Step 6: Final answer
    x = 1,471,298.40

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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.