Home / 1,857,179.77-2,563,969.91-1,420,793.08

Finding the Fourth Proportional to 1,857,179.77, 2,563,969.91 and 1,420,793.08

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Solution

The fourth proportional to 1,857,179.77, 2,563,969.91 and 1,420,793.08 is: 1,961,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,179.77 : 2,563,969.91 = 1,420,793.08 : x
  2. Step 2: Convert to fraction form
    1,857,179.77/2,563,969.91 = 1,420,793.08/x
  3. Step 3: Cross multiply
    1,857,179.77x = 2,563,969.91 × 1,420,793.08
  4. Step 4: Simplify right side
    1,857,179.77x = 3,642,870,705,456.22
  5. Step 5: Solve for x
    x = 3,642,870,705,456.22/1,857,179.77
  6. Step 6: Final answer
    x = 1,961,506.78

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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.