Home / 2,172,831.98-2,998,648.26-1,205,962.34

Finding the Fourth Proportional to 2,172,831.98, 2,998,648.26 and 1,205,962.34

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Solution

The fourth proportional to 2,172,831.98, 2,998,648.26 and 1,205,962.34 is: 1,664,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,831.98 : 2,998,648.26 = 1,205,962.34 : x
  2. Step 2: Convert to fraction form
    2,172,831.98/2,998,648.26 = 1,205,962.34/x
  3. Step 3: Cross multiply
    2,172,831.98x = 2,998,648.26 × 1,205,962.34
  4. Step 4: Simplify right side
    2,172,831.98x = 3,616,256,872,466.53
  5. Step 5: Solve for x
    x = 3,616,256,872,466.53/2,172,831.98
  6. Step 6: Final answer
    x = 1,664,305.80

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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.