Home / 1,939,214.40-2,676,226.08-1,165,081.92

Finding the Fourth Proportional to 1,939,214.40, 2,676,226.08 and 1,165,081.92

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Solution

The fourth proportional to 1,939,214.40, 2,676,226.08 and 1,165,081.92 is: 1,607,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,214.40 : 2,676,226.08 = 1,165,081.92 : x
  2. Step 2: Convert to fraction form
    1,939,214.40/2,676,226.08 = 1,165,081.92/x
  3. Step 3: Cross multiply
    1,939,214.40x = 2,676,226.08 × 1,165,081.92
  4. Step 4: Simplify right side
    1,939,214.40x = 3,118,022,619,640.47
  5. Step 5: Solve for x
    x = 3,118,022,619,640.47/1,939,214.40
  6. Step 6: Final answer
    x = 1,607,879.26

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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.