Home / 3,125,803.78-4,313,790-1,749,135.48

Finding the Fourth Proportional to 3,125,803.78, 4,313,790 and 1,749,135.48

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Solution

The fourth proportional to 3,125,803.78, 4,313,790 and 1,749,135.48 is: 2,413,908.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,803.78 : 4,313,790 = 1,749,135.48 : x
  2. Step 2: Convert to fraction form
    3,125,803.78/4,313,790 = 1,749,135.48/x
  3. Step 3: Cross multiply
    3,125,803.78x = 4,313,790 × 1,749,135.48
  4. Step 4: Simplify right side
    3,125,803.78x = 7,545,403,142,269.20
  5. Step 5: Solve for x
    x = 7,545,403,142,269.20/3,125,803.78
  6. Step 6: Final answer
    x = 2,413,908.13

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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.