Home / 1,993,180.32-2,750,550.48-1,087,768.80

Finding the Fourth Proportional to 1,993,180.32, 2,750,550.48 and 1,087,768.80

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Solution

The fourth proportional to 1,993,180.32, 2,750,550.48 and 1,087,768.80 is: 1,501,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,180.32 : 2,750,550.48 = 1,087,768.80 : x
  2. Step 2: Convert to fraction form
    1,993,180.32/2,750,550.48 = 1,087,768.80/x
  3. Step 3: Cross multiply
    1,993,180.32x = 2,750,550.48 × 1,087,768.80
  4. Step 4: Simplify right side
    1,993,180.32x = 2,991,962,994,969.02
  5. Step 5: Solve for x
    x = 2,991,962,994,969.02/1,993,180.32
  6. Step 6: Final answer
    x = 1,501,100.01

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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.