Home / 2,926,891.73-4,384,656.87-2,156,991.20

Finding the Fourth Proportional to 2,926,891.73, 4,384,656.87 and 2,156,991.20

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Solution

The fourth proportional to 2,926,891.73, 4,384,656.87 and 2,156,991.20 is: 3,231,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926,891.73 : 4,384,656.87 = 2,156,991.20 : x
  2. Step 2: Convert to fraction form
    2,926,891.73/4,384,656.87 = 2,156,991.20/x
  3. Step 3: Cross multiply
    2,926,891.73x = 4,384,656.87 × 2,156,991.20
  4. Step 4: Simplify right side
    2,926,891.73x = 9,457,666,283,609.55
  5. Step 5: Solve for x
    x = 9,457,666,283,609.55/2,926,891.73
  6. Step 6: Final answer
    x = 3,231,300.35

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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.