Home / 2,665,220.40-3,678,033.84-1,441,550.16

Finding the Fourth Proportional to 2,665,220.40, 3,678,033.84 and 1,441,550.16

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Solution

The fourth proportional to 2,665,220.40, 3,678,033.84 and 1,441,550.16 is: 1,989,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,220.40 : 3,678,033.84 = 1,441,550.16 : x
  2. Step 2: Convert to fraction form
    2,665,220.40/3,678,033.84 = 1,441,550.16/x
  3. Step 3: Cross multiply
    2,665,220.40x = 3,678,033.84 × 1,441,550.16
  4. Step 4: Simplify right side
    2,665,220.40x = 5,302,070,270,537.41
  5. Step 5: Solve for x
    x = 5,302,070,270,537.41/2,665,220.40
  6. Step 6: Final answer
    x = 1,989,355.28

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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.