Home / 2,257,262.57-3,115,112.16-1,238,703.77

Finding the Fourth Proportional to 2,257,262.57, 3,115,112.16 and 1,238,703.77

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Solution

The fourth proportional to 2,257,262.57, 3,115,112.16 and 1,238,703.77 is: 1,709,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,262.57 : 3,115,112.16 = 1,238,703.77 : x
  2. Step 2: Convert to fraction form
    2,257,262.57/3,115,112.16 = 1,238,703.77/x
  3. Step 3: Cross multiply
    2,257,262.57x = 3,115,112.16 × 1,238,703.77
  4. Step 4: Simplify right side
    2,257,262.57x = 3,858,701,160,989.28
  5. Step 5: Solve for x
    x = 3,858,701,160,989.28/2,257,262.57
  6. Step 6: Final answer
    x = 1,709,460.49

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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.