Home / 2,185,643.20-3,277,152.60-1,122,761.20

Finding the Fourth Proportional to 2,185,643.20, 3,277,152.60 and 1,122,761.20

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Solution

The fourth proportional to 2,185,643.20, 3,277,152.60 and 1,122,761.20 is: 1,683,467.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,643.20 : 3,277,152.60 = 1,122,761.20 : x
  2. Step 2: Convert to fraction form
    2,185,643.20/3,277,152.60 = 1,122,761.20/x
  3. Step 3: Cross multiply
    2,185,643.20x = 3,277,152.60 × 1,122,761.20
  4. Step 4: Simplify right side
    2,185,643.20x = 3,679,459,785,759.12
  5. Step 5: Solve for x
    x = 3,679,459,785,759.12/2,185,643.20
  6. Step 6: Final answer
    x = 1,683,467.73

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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.