Home / 2,212,698-3,053,270.80-1,245,803.36

Finding the Fourth Proportional to 2,212,698, 3,053,270.80 and 1,245,803.36

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Solution

The fourth proportional to 2,212,698, 3,053,270.80 and 1,245,803.36 is: 1,719,066.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,698 : 3,053,270.80 = 1,245,803.36 : x
  2. Step 2: Convert to fraction form
    2,212,698/3,053,270.80 = 1,245,803.36/x
  3. Step 3: Cross multiply
    2,212,698x = 3,053,270.80 × 1,245,803.36
  4. Step 4: Simplify right side
    2,212,698x = 3,803,775,021,629.89
  5. Step 5: Solve for x
    x = 3,803,775,021,629.89/2,212,698
  6. Step 6: Final answer
    x = 1,719,066.51

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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.