Home / 1,896,451.32-2,616,887.88-1,122,105.90

Finding the Fourth Proportional to 1,896,451.32, 2,616,887.88 and 1,122,105.90

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Solution

The fourth proportional to 1,896,451.32, 2,616,887.88 and 1,122,105.90 is: 1,548,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896,451.32 : 2,616,887.88 = 1,122,105.90 : x
  2. Step 2: Convert to fraction form
    1,896,451.32/2,616,887.88 = 1,122,105.90/x
  3. Step 3: Cross multiply
    1,896,451.32x = 2,616,887.88 × 1,122,105.90
  4. Step 4: Simplify right side
    1,896,451.32x = 2,936,425,329,786.49
  5. Step 5: Solve for x
    x = 2,936,425,329,786.49/1,896,451.32
  6. Step 6: Final answer
    x = 1,548,378.96

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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.