Home / 2,037,028.92-2,811,344.28-1,221,681.16

Finding the Fourth Proportional to 2,037,028.92, 2,811,344.28 and 1,221,681.16

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Solution

The fourth proportional to 2,037,028.92, 2,811,344.28 and 1,221,681.16 is: 1,686,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037,028.92 : 2,811,344.28 = 1,221,681.16 : x
  2. Step 2: Convert to fraction form
    2,037,028.92/2,811,344.28 = 1,221,681.16/x
  3. Step 3: Cross multiply
    2,037,028.92x = 2,811,344.28 × 1,221,681.16
  4. Step 4: Simplify right side
    2,037,028.92x = 3,434,566,341,149.76
  5. Step 5: Solve for x
    x = 3,434,566,341,149.76/2,037,028.92
  6. Step 6: Final answer
    x = 1,686,066.56

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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.