Home / 2,775,564.78-3,830,425.62-1,687,656.20

Finding the Fourth Proportional to 2,775,564.78, 3,830,425.62 and 1,687,656.20

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Solution

The fourth proportional to 2,775,564.78, 3,830,425.62 and 1,687,656.20 is: 2,329,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,564.78 : 3,830,425.62 = 1,687,656.20 : x
  2. Step 2: Convert to fraction form
    2,775,564.78/3,830,425.62 = 1,687,656.20/x
  3. Step 3: Cross multiply
    2,775,564.78x = 3,830,425.62 × 1,687,656.20
  4. Step 4: Simplify right side
    2,775,564.78x = 6,464,441,546,231.84
  5. Step 5: Solve for x
    x = 6,464,441,546,231.84/2,775,564.78
  6. Step 6: Final answer
    x = 2,329,054.47

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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.