Home / 3,448,521.21-4,759,331.39-1,899,941.13

Finding the Fourth Proportional to 3,448,521.21, 4,759,331.39 and 1,899,941.13

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Solution

The fourth proportional to 3,448,521.21, 4,759,331.39 and 1,899,941.13 is: 2,622,123.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,521.21 : 4,759,331.39 = 1,899,941.13 : x
  2. Step 2: Convert to fraction form
    3,448,521.21/4,759,331.39 = 1,899,941.13/x
  3. Step 3: Cross multiply
    3,448,521.21x = 4,759,331.39 × 1,899,941.13
  4. Step 4: Simplify right side
    3,448,521.21x = 9,042,449,449,661.36
  5. Step 5: Solve for x
    x = 9,042,449,449,661.36/3,448,521.21
  6. Step 6: Final answer
    x = 2,622,123.77

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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.