Home / 3,128,194.80-4,368,843.90-3,128,194.80

Finding the Fourth Proportional to 3,128,194.80, 4,368,843.90 and 3,128,194.80

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Solution

The fourth proportional to 3,128,194.80, 4,368,843.90 and 3,128,194.80 is: 4,368,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,194.80 : 4,368,843.90 = 3,128,194.80 : x
  2. Step 2: Convert to fraction form
    3,128,194.80/4,368,843.90 = 3,128,194.80/x
  3. Step 3: Cross multiply
    3,128,194.80x = 4,368,843.90 × 3,128,194.80
  4. Step 4: Simplify right side
    3,128,194.80x = 13,666,594,769,991.72
  5. Step 5: Solve for x
    x = 13,666,594,769,991.72/3,128,194.80
  6. Step 6: Final answer
    x = 4,368,843.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.