Home / 2,270,986.80-3,133,921.56-1,238,502.30

Finding the Fourth Proportional to 2,270,986.80, 3,133,921.56 and 1,238,502.30

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Solution

The fourth proportional to 2,270,986.80, 3,133,921.56 and 1,238,502.30 is: 1,709,111.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270,986.80 : 3,133,921.56 = 1,238,502.30 : x
  2. Step 2: Convert to fraction form
    2,270,986.80/3,133,921.56 = 1,238,502.30/x
  3. Step 3: Cross multiply
    2,270,986.80x = 3,133,921.56 × 1,238,502.30
  4. Step 4: Simplify right side
    2,270,986.80x = 3,881,369,060,079.59
  5. Step 5: Solve for x
    x = 3,881,369,060,079.59/2,270,986.80
  6. Step 6: Final answer
    x = 1,709,111.24

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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.