Home / 1,868,369.75-2,796,198.14-1,148,331.80

Finding the Fourth Proportional to 1,868,369.75, 2,796,198.14 and 1,148,331.80

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Solution

The fourth proportional to 1,868,369.75, 2,796,198.14 and 1,148,331.80 is: 1,718,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,369.75 : 2,796,198.14 = 1,148,331.80 : x
  2. Step 2: Convert to fraction form
    1,868,369.75/2,796,198.14 = 1,148,331.80/x
  3. Step 3: Cross multiply
    1,868,369.75x = 2,796,198.14 × 1,148,331.80
  4. Step 4: Simplify right side
    1,868,369.75x = 3,210,963,223,540.20
  5. Step 5: Solve for x
    x = 3,210,963,223,540.20/1,868,369.75
  6. Step 6: Final answer
    x = 1,718,590.89

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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.