Home / 2,083,464.40-2,875,165.32-1,178,078.80

Finding the Fourth Proportional to 2,083,464.40, 2,875,165.32 and 1,178,078.80

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Solution

The fourth proportional to 2,083,464.40, 2,875,165.32 and 1,178,078.80 is: 1,625,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,464.40 : 2,875,165.32 = 1,178,078.80 : x
  2. Step 2: Convert to fraction form
    2,083,464.40/2,875,165.32 = 1,178,078.80/x
  3. Step 3: Cross multiply
    2,083,464.40x = 2,875,165.32 × 1,178,078.80
  4. Step 4: Simplify right side
    2,083,464.40x = 3,387,171,309,987.22
  5. Step 5: Solve for x
    x = 3,387,171,309,987.22/2,083,464.40
  6. Step 6: Final answer
    x = 1,625,739.95

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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.