Home / 1,986,796.96-2,980,253.86-547,502.18

Finding the Fourth Proportional to 1,986,796.96, 2,980,253.86 and 547,502.18

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Solution

The fourth proportional to 1,986,796.96, 2,980,253.86 and 547,502.18 is: 821,269.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,796.96 : 2,980,253.86 = 547,502.18 : x
  2. Step 2: Convert to fraction form
    1,986,796.96/2,980,253.86 = 547,502.18/x
  3. Step 3: Cross multiply
    1,986,796.96x = 2,980,253.86 × 547,502.18
  4. Step 4: Simplify right side
    1,986,796.96x = 1,631,695,491,385.29
  5. Step 5: Solve for x
    x = 1,631,695,491,385.29/1,986,796.96
  6. Step 6: Final answer
    x = 821,269.37

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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.