Home / 2,201,937.55-3,038,699.31-1,221,896.68

Finding the Fourth Proportional to 2,201,937.55, 3,038,699.31 and 1,221,896.68

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Solution

The fourth proportional to 2,201,937.55, 3,038,699.31 and 1,221,896.68 is: 1,686,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,937.55 : 3,038,699.31 = 1,221,896.68 : x
  2. Step 2: Convert to fraction form
    2,201,937.55/3,038,699.31 = 1,221,896.68/x
  3. Step 3: Cross multiply
    2,201,937.55x = 3,038,699.31 × 1,221,896.68
  4. Step 4: Simplify right side
    2,201,937.55x = 3,712,976,586,228.43
  5. Step 5: Solve for x
    x = 3,712,976,586,228.43/2,201,937.55
  6. Step 6: Final answer
    x = 1,686,231.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.