Home / 3,825,036.90-5,278,667.02-2,106,218.92

Finding the Fourth Proportional to 3,825,036.90, 5,278,667.02 and 2,106,218.92

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Solution

The fourth proportional to 3,825,036.90, 5,278,667.02 and 2,106,218.92 is: 2,906,646.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,036.90 : 5,278,667.02 = 2,106,218.92 : x
  2. Step 2: Convert to fraction form
    3,825,036.90/5,278,667.02 = 2,106,218.92/x
  3. Step 3: Cross multiply
    3,825,036.90x = 5,278,667.02 × 2,106,218.92
  4. Step 4: Simplify right side
    3,825,036.90x = 11,118,028,349,904.02
  5. Step 5: Solve for x
    x = 11,118,028,349,904.02/3,825,036.90
  6. Step 6: Final answer
    x = 2,906,646.04

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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.