Home / 1,899,744.78-2,621,569.05-1,040,290.23

Finding the Fourth Proportional to 1,899,744.78, 2,621,569.05 and 1,040,290.23

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Solution

The fourth proportional to 1,899,744.78, 2,621,569.05 and 1,040,290.23 is: 1,435,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,744.78 : 2,621,569.05 = 1,040,290.23 : x
  2. Step 2: Convert to fraction form
    1,899,744.78/2,621,569.05 = 1,040,290.23/x
  3. Step 3: Cross multiply
    1,899,744.78x = 2,621,569.05 × 1,040,290.23
  4. Step 4: Simplify right side
    1,899,744.78x = 2,727,192,669,985.38
  5. Step 5: Solve for x
    x = 2,727,192,669,985.38/1,899,744.78
  6. Step 6: Final answer
    x = 1,435,557.40

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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.