Home / 2,169,015.72-3,254,203.71-1,305,392.91

Finding the Fourth Proportional to 2,169,015.72, 3,254,203.71 and 1,305,392.91

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Solution

The fourth proportional to 2,169,015.72, 3,254,203.71 and 1,305,392.91 is: 1,958,498.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169,015.72 : 3,254,203.71 = 1,305,392.91 : x
  2. Step 2: Convert to fraction form
    2,169,015.72/3,254,203.71 = 1,305,392.91/x
  3. Step 3: Cross multiply
    2,169,015.72x = 3,254,203.71 × 1,305,392.91
  4. Step 4: Simplify right side
    2,169,015.72x = 4,248,014,450,729.70
  5. Step 5: Solve for x
    x = 4,248,014,450,729.70/2,169,015.72
  6. Step 6: Final answer
    x = 1,958,498.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.