Home / 1,855,647.28-2,778,744.84-1,222,642.48

Finding the Fourth Proportional to 1,855,647.28, 2,778,744.84 and 1,222,642.48

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Solution

The fourth proportional to 1,855,647.28, 2,778,744.84 and 1,222,642.48 is: 1,830,849.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,647.28 : 2,778,744.84 = 1,222,642.48 : x
  2. Step 2: Convert to fraction form
    1,855,647.28/2,778,744.84 = 1,222,642.48/x
  3. Step 3: Cross multiply
    1,855,647.28x = 2,778,744.84 × 1,222,642.48
  4. Step 4: Simplify right side
    1,855,647.28x = 3,397,411,482,464.80
  5. Step 5: Solve for x
    x = 3,397,411,482,464.80/1,855,647.28
  6. Step 6: Final answer
    x = 1,830,849.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.