Home / 2,037,029.92-2,811,345.66-1,221,682.16

Finding the Fourth Proportional to 2,037,029.92, 2,811,345.66 and 1,221,682.16

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Solution

The fourth proportional to 2,037,029.92, 2,811,345.66 and 1,221,682.16 is: 1,686,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037,029.92 : 2,811,345.66 = 1,221,682.16 : x
  2. Step 2: Convert to fraction form
    2,037,029.92/2,811,345.66 = 1,221,682.16/x
  3. Step 3: Cross multiply
    2,037,029.92x = 2,811,345.66 × 1,221,682.16
  4. Step 4: Simplify right side
    2,037,029.92x = 3,434,570,838,415.43
  5. Step 5: Solve for x
    x = 3,434,570,838,415.43/2,037,029.92
  6. Step 6: Final answer
    x = 1,686,067.94

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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.