Home / 3,431,842.36-4,732,040.40-2,189,781.88

Finding the Fourth Proportional to 3,431,842.36, 4,732,040.40 and 2,189,781.88

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Solution

The fourth proportional to 3,431,842.36, 4,732,040.40 and 2,189,781.88 is: 3,019,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,842.36 : 4,732,040.40 = 2,189,781.88 : x
  2. Step 2: Convert to fraction form
    3,431,842.36/4,732,040.40 = 2,189,781.88/x
  3. Step 3: Cross multiply
    3,431,842.36x = 4,732,040.40 × 2,189,781.88
  4. Step 4: Simplify right side
    3,431,842.36x = 10,362,136,323,347.95
  5. Step 5: Solve for x
    x = 10,362,136,323,347.95/3,431,842.36
  6. Step 6: Final answer
    x = 3,019,409.18

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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.