Home / 2,198,658.91-3,034,075.93-1,218,556.18

Finding the Fourth Proportional to 2,198,658.91, 3,034,075.93 and 1,218,556.18

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Solution

The fourth proportional to 2,198,658.91, 3,034,075.93 and 1,218,556.18 is: 1,681,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,658.91 : 3,034,075.93 = 1,218,556.18 : x
  2. Step 2: Convert to fraction form
    2,198,658.91/3,034,075.93 = 1,218,556.18/x
  3. Step 3: Cross multiply
    2,198,658.91x = 3,034,075.93 × 1,218,556.18
  4. Step 4: Simplify right side
    2,198,658.91x = 3,697,191,975,090.75
  5. Step 5: Solve for x
    x = 3,697,191,975,090.75/2,198,658.91
  6. Step 6: Final answer
    x = 1,681,566.87

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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.