Home / 1,945,182.06-2,917,771.88-1,081,166.40

Finding the Fourth Proportional to 1,945,182.06, 2,917,771.88 and 1,081,166.40

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Solution

The fourth proportional to 1,945,182.06, 2,917,771.88 and 1,081,166.40 is: 1,621,748.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,182.06 : 2,917,771.88 = 1,081,166.40 : x
  2. Step 2: Convert to fraction form
    1,945,182.06/2,917,771.88 = 1,081,166.40/x
  3. Step 3: Cross multiply
    1,945,182.06x = 2,917,771.88 × 1,081,166.40
  4. Step 4: Simplify right side
    1,945,182.06x = 3,154,596,914,115.00
  5. Step 5: Solve for x
    x = 3,154,596,914,115.00/1,945,182.06
  6. Step 6: Final answer
    x = 1,621,748.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.