Home / 2,259,081.74-3,117,518.73-1,292,228.15

Finding the Fourth Proportional to 2,259,081.74, 3,117,518.73 and 1,292,228.15

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Solution

The fourth proportional to 2,259,081.74, 3,117,518.73 and 1,292,228.15 is: 1,783,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259,081.74 : 3,117,518.73 = 1,292,228.15 : x
  2. Step 2: Convert to fraction form
    2,259,081.74/3,117,518.73 = 1,292,228.15/x
  3. Step 3: Cross multiply
    2,259,081.74x = 3,117,518.73 × 1,292,228.15
  4. Step 4: Simplify right side
    2,259,081.74x = 4,028,545,445,470.66
  5. Step 5: Solve for x
    x = 4,028,545,445,470.66/2,259,081.74
  6. Step 6: Final answer
    x = 1,783,266.80

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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.