Home / 2,037,421.28-2,811,717.24-1,221,757.76

Finding the Fourth Proportional to 2,037,421.28, 2,811,717.24 and 1,221,757.76

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Solution

The fourth proportional to 2,037,421.28, 2,811,717.24 and 1,221,757.76 is: 1,686,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037,421.28 : 2,811,717.24 = 1,221,757.76 : x
  2. Step 2: Convert to fraction form
    2,037,421.28/2,811,717.24 = 1,221,757.76/x
  3. Step 3: Cross multiply
    2,037,421.28x = 2,811,717.24 × 1,221,757.76
  4. Step 4: Simplify right side
    2,037,421.28x = 3,435,237,356,895.78
  5. Step 5: Solve for x
    x = 3,435,237,356,895.78/2,037,421.28
  6. Step 6: Final answer
    x = 1,686,071.21

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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.