Home / 3,909,886.38-5,395,555.53-2,278,192.14

Finding the Fourth Proportional to 3,909,886.38, 5,395,555.53 and 2,278,192.14

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Solution

The fourth proportional to 3,909,886.38, 5,395,555.53 and 2,278,192.14 is: 3,143,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,886.38 : 5,395,555.53 = 2,278,192.14 : x
  2. Step 2: Convert to fraction form
    3,909,886.38/5,395,555.53 = 2,278,192.14/x
  3. Step 3: Cross multiply
    3,909,886.38x = 5,395,555.53 × 2,278,192.14
  4. Step 4: Simplify right side
    3,909,886.38x = 12,292,112,199,379.54
  5. Step 5: Solve for x
    x = 12,292,112,199,379.54/3,909,886.38
  6. Step 6: Final answer
    x = 3,143,854.07

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1.5x scale

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.