Home / 2,108,552.78-2,909,687.70-1,237,270.16

Finding the Fourth Proportional to 2,108,552.78, 2,909,687.70 and 1,237,270.16

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Solution

The fourth proportional to 2,108,552.78, 2,909,687.70 and 1,237,270.16 is: 1,707,365.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,552.78 : 2,909,687.70 = 1,237,270.16 : x
  2. Step 2: Convert to fraction form
    2,108,552.78/2,909,687.70 = 1,237,270.16/x
  3. Step 3: Cross multiply
    2,108,552.78x = 2,909,687.70 × 1,237,270.16
  4. Step 4: Simplify right side
    2,108,552.78x = 3,600,069,766,129.03
  5. Step 5: Solve for x
    x = 3,600,069,766,129.03/2,108,552.78
  6. Step 6: Final answer
    x = 1,707,365.26

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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.