Home / 2,121,751.74-3,182,656.80-605,434.18

Finding the Fourth Proportional to 2,121,751.74, 3,182,656.80 and 605,434.18

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Solution

The fourth proportional to 2,121,751.74, 3,182,656.80 and 605,434.18 is: 908,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,751.74 : 3,182,656.80 = 605,434.18 : x
  2. Step 2: Convert to fraction form
    2,121,751.74/3,182,656.80 = 605,434.18/x
  3. Step 3: Cross multiply
    2,121,751.74x = 3,182,656.80 × 605,434.18
  4. Step 4: Simplify right side
    2,121,751.74x = 1,926,889,206,902.25
  5. Step 5: Solve for x
    x = 1,926,889,206,902.25/2,121,751.74
  6. Step 6: Final answer
    x = 908,159.60

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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.