Home / 3,888,364.64-5,365,817.76-2,122,195.36

Finding the Fourth Proportional to 3,888,364.64, 5,365,817.76 and 2,122,195.36

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Solution

The fourth proportional to 3,888,364.64, 5,365,817.76 and 2,122,195.36 is: 2,928,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,364.64 : 5,365,817.76 = 2,122,195.36 : x
  2. Step 2: Convert to fraction form
    3,888,364.64/5,365,817.76 = 2,122,195.36/x
  3. Step 3: Cross multiply
    3,888,364.64x = 5,365,817.76 × 2,122,195.36
  4. Step 4: Simplify right side
    3,888,364.64x = 11,387,313,552,877.59
  5. Step 5: Solve for x
    x = 11,387,313,552,877.59/3,888,364.64
  6. Step 6: Final answer
    x = 2,928,561.13

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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.