Home / 2,189,838.80-3,282,425.40-841,480.40

Finding the Fourth Proportional to 2,189,838.80, 3,282,425.40 and 841,480.40

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Solution

The fourth proportional to 2,189,838.80, 3,282,425.40 and 841,480.40 is: 1,261,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,838.80 : 3,282,425.40 = 841,480.40 : x
  2. Step 2: Convert to fraction form
    2,189,838.80/3,282,425.40 = 841,480.40/x
  3. Step 3: Cross multiply
    2,189,838.80x = 3,282,425.40 × 841,480.40
  4. Step 4: Simplify right side
    2,189,838.80x = 2,762,096,638,562.16
  5. Step 5: Solve for x
    x = 2,762,096,638,562.16/2,189,838.80
  6. Step 6: Final answer
    x = 1,261,324.18

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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.