Home / 3,818,958.28-5,270,200.14-2,100,090.76

Finding the Fourth Proportional to 3,818,958.28, 5,270,200.14 and 2,100,090.76

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Solution

The fourth proportional to 3,818,958.28, 5,270,200.14 and 2,100,090.76 is: 2,898,145.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,958.28 : 5,270,200.14 = 2,100,090.76 : x
  2. Step 2: Convert to fraction form
    3,818,958.28/5,270,200.14 = 2,100,090.76/x
  3. Step 3: Cross multiply
    3,818,958.28x = 5,270,200.14 × 2,100,090.76
  4. Step 4: Simplify right side
    3,818,958.28x = 11,067,898,617,364.71
  5. Step 5: Solve for x
    x = 11,067,898,617,364.71/3,818,958.28
  6. Step 6: Final answer
    x = 2,898,145.99

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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.