Home / 1,762,215.78-2,431,953.90-998,418.18

Finding the Fourth Proportional to 1,762,215.78, 2,431,953.90 and 998,418.18

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Solution

The fourth proportional to 1,762,215.78, 2,431,953.90 and 998,418.18 is: 1,377,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,215.78 : 2,431,953.90 = 998,418.18 : x
  2. Step 2: Convert to fraction form
    1,762,215.78/2,431,953.90 = 998,418.18/x
  3. Step 3: Cross multiply
    1,762,215.78x = 2,431,953.90 × 998,418.18
  4. Step 4: Simplify right side
    1,762,215.78x = 2,428,106,986,681.90
  5. Step 5: Solve for x
    x = 2,428,106,986,681.90/1,762,215.78
  6. Step 6: Final answer
    x = 1,377,871.55

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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.