Home / 3,104,943.15-4,284,821.00-1,728,257.40

Finding the Fourth Proportional to 3,104,943.15, 4,284,821.00 and 1,728,257.40

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Solution

The fourth proportional to 3,104,943.15, 4,284,821.00 and 1,728,257.40 is: 2,384,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104,943.15 : 4,284,821.00 = 1,728,257.40 : x
  2. Step 2: Convert to fraction form
    3,104,943.15/4,284,821.00 = 1,728,257.40/x
  3. Step 3: Cross multiply
    3,104,943.15x = 4,284,821.00 × 1,728,257.40
  4. Step 4: Simplify right side
    3,104,943.15x = 7,405,273,592,284.11
  5. Step 5: Solve for x
    x = 7,405,273,592,284.11/3,104,943.15
  6. Step 6: Final answer
    x = 2,384,994.90

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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.