Home / 2,181,840.47-3,270,515.12-967,988.76

Finding the Fourth Proportional to 2,181,840.47, 3,270,515.12 and 967,988.76

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Solution

The fourth proportional to 2,181,840.47, 3,270,515.12 and 967,988.76 is: 1,450,986.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,840.47 : 3,270,515.12 = 967,988.76 : x
  2. Step 2: Convert to fraction form
    2,181,840.47/3,270,515.12 = 967,988.76/x
  3. Step 3: Cross multiply
    2,181,840.47x = 3,270,515.12 × 967,988.76
  4. Step 4: Simplify right side
    2,181,840.47x = 3,165,821,875,570.05
  5. Step 5: Solve for x
    x = 3,165,821,875,570.05/2,181,840.47
  6. Step 6: Final answer
    x = 1,450,986.87

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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.