Home / 2,198,658.66-3,034,075.59-1,218,555.93

Finding the Fourth Proportional to 2,198,658.66, 3,034,075.59 and 1,218,555.93

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Solution

The fourth proportional to 2,198,658.66, 3,034,075.59 and 1,218,555.93 is: 1,681,566.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,658.66 : 3,034,075.59 = 1,218,555.93 : x
  2. Step 2: Convert to fraction form
    2,198,658.66/3,034,075.59 = 1,218,555.93/x
  3. Step 3: Cross multiply
    2,198,658.66x = 3,034,075.59 × 1,218,555.93
  4. Step 4: Simplify right side
    2,198,658.66x = 3,697,190,796,169.97
  5. Step 5: Solve for x
    x = 3,697,190,796,169.97/2,198,658.66
  6. Step 6: Final answer
    x = 1,681,566.52

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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.