Home / 1,889,295.30-2,607,128.88-1,073,385.66

Finding the Fourth Proportional to 1,889,295.30, 2,607,128.88 and 1,073,385.66

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Solution

The fourth proportional to 1,889,295.30, 2,607,128.88 and 1,073,385.66 is: 1,481,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,295.30 : 2,607,128.88 = 1,073,385.66 : x
  2. Step 2: Convert to fraction form
    1,889,295.30/2,607,128.88 = 1,073,385.66/x
  3. Step 3: Cross multiply
    1,889,295.30x = 2,607,128.88 × 1,073,385.66
  4. Step 4: Simplify right side
    1,889,295.30x = 2,798,454,753,563.86
  5. Step 5: Solve for x
    x = 2,798,454,753,563.86/1,889,295.30
  6. Step 6: Final answer
    x = 1,481,216.17

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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.