Home / 2,791,133.12-3,852,266.40-1,645,146.56

Finding the Fourth Proportional to 2,791,133.12, 3,852,266.40 and 1,645,146.56

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Solution

The fourth proportional to 2,791,133.12, 3,852,266.40 and 1,645,146.56 is: 2,270,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,133.12 : 3,852,266.40 = 1,645,146.56 : x
  2. Step 2: Convert to fraction form
    2,791,133.12/3,852,266.40 = 1,645,146.56/x
  3. Step 3: Cross multiply
    2,791,133.12x = 3,852,266.40 × 1,645,146.56
  4. Step 4: Simplify right side
    2,791,133.12x = 6,337,542,816,163.58
  5. Step 5: Solve for x
    x = 6,337,542,816,163.58/2,791,133.12
  6. Step 6: Final answer
    x = 2,270,598.55

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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.