Home / 2,258,911.62-3,117,371.13-1,292,043.78

Finding the Fourth Proportional to 2,258,911.62, 3,117,371.13 and 1,292,043.78

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Solution

The fourth proportional to 2,258,911.62, 3,117,371.13 and 1,292,043.78 is: 1,783,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258,911.62 : 3,117,371.13 = 1,292,043.78 : x
  2. Step 2: Convert to fraction form
    2,258,911.62/3,117,371.13 = 1,292,043.78/x
  3. Step 3: Cross multiply
    2,258,911.62x = 3,117,371.13 × 1,292,043.78
  4. Step 4: Simplify right side
    2,258,911.62x = 4,027,779,978,468.07
  5. Step 5: Solve for x
    x = 4,027,779,978,468.07/2,258,911.62
  6. Step 6: Final answer
    x = 1,783,062.22

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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.