Home / 1,889,135.72-2,607,033.57-1,029,694.40

Finding the Fourth Proportional to 1,889,135.72, 2,607,033.57 and 1,029,694.40

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Solution

The fourth proportional to 1,889,135.72, 2,607,033.57 and 1,029,694.40 is: 1,420,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,135.72 : 2,607,033.57 = 1,029,694.40 : x
  2. Step 2: Convert to fraction form
    1,889,135.72/2,607,033.57 = 1,029,694.40/x
  3. Step 3: Cross multiply
    1,889,135.72x = 2,607,033.57 × 1,029,694.40
  4. Step 4: Simplify right side
    1,889,135.72x = 2,684,447,867,641.01
  5. Step 5: Solve for x
    x = 2,684,447,867,641.01/1,889,135.72
  6. Step 6: Final answer
    x = 1,420,992.59

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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.