Home / 1,906,756.32-2,633,031.68-1,422,480.40

Finding the Fourth Proportional to 1,906,756.32, 2,633,031.68 and 1,422,480.40

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Solution

The fourth proportional to 1,906,756.32, 2,633,031.68 and 1,422,480.40 is: 1,964,297.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,756.32 : 2,633,031.68 = 1,422,480.40 : x
  2. Step 2: Convert to fraction form
    1,906,756.32/2,633,031.68 = 1,422,480.40/x
  3. Step 3: Cross multiply
    1,906,756.32x = 2,633,031.68 × 1,422,480.40
  4. Step 4: Simplify right side
    1,906,756.32x = 3,745,435,957,379.07
  5. Step 5: Solve for x
    x = 3,745,435,957,379.07/1,906,756.32
  6. Step 6: Final answer
    x = 1,964,297.12

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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.