Home / 2,818,661.84-3,888,126.60-1,798,917.20

Finding the Fourth Proportional to 2,818,661.84, 3,888,126.60 and 1,798,917.20

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Solution

The fourth proportional to 2,818,661.84, 3,888,126.60 and 1,798,917.20 is: 2,481,467.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,661.84 : 3,888,126.60 = 1,798,917.20 : x
  2. Step 2: Convert to fraction form
    2,818,661.84/3,888,126.60 = 1,798,917.20/x
  3. Step 3: Cross multiply
    2,818,661.84x = 3,888,126.60 × 1,798,917.20
  4. Step 4: Simplify right side
    2,818,661.84x = 6,994,417,816,517.52
  5. Step 5: Solve for x
    x = 6,994,417,816,517.52/2,818,661.84
  6. Step 6: Final answer
    x = 2,481,467.52

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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.