Home / 2,670,189.08-4,005,529.86-873,081.78

Finding the Fourth Proportional to 2,670,189.08, 4,005,529.86 and 873,081.78

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Solution

The fourth proportional to 2,670,189.08, 4,005,529.86 and 873,081.78 is: 1,309,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670,189.08 : 4,005,529.86 = 873,081.78 : x
  2. Step 2: Convert to fraction form
    2,670,189.08/4,005,529.86 = 873,081.78/x
  3. Step 3: Cross multiply
    2,670,189.08x = 4,005,529.86 × 873,081.78
  4. Step 4: Simplify right side
    2,670,189.08x = 3,497,155,140,011.95
  5. Step 5: Solve for x
    x = 3,497,155,140,011.95/2,670,189.08
  6. Step 6: Final answer
    x = 1,309,703.18

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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.