Home / 3,768,276.32-5,200,171.08-2,049,359.84

Finding the Fourth Proportional to 3,768,276.32, 5,200,171.08 and 2,049,359.84

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Solution

The fourth proportional to 3,768,276.32, 5,200,171.08 and 2,049,359.84 is: 2,828,089.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,276.32 : 5,200,171.08 = 2,049,359.84 : x
  2. Step 2: Convert to fraction form
    3,768,276.32/5,200,171.08 = 2,049,359.84/x
  3. Step 3: Cross multiply
    3,768,276.32x = 5,200,171.08 × 2,049,359.84
  4. Step 4: Simplify right side
    3,768,276.32x = 10,657,021,772,481.43
  5. Step 5: Solve for x
    x = 10,657,021,772,481.43/3,768,276.32
  6. Step 6: Final answer
    x = 2,828,089.26

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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.