Home / 2,191,268.81-3,023,966.15-1,224,439.85

Finding the Fourth Proportional to 2,191,268.81, 3,023,966.15 and 1,224,439.85

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Solution

The fourth proportional to 2,191,268.81, 3,023,966.15 and 1,224,439.85 is: 1,689,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,268.81 : 3,023,966.15 = 1,224,439.85 : x
  2. Step 2: Convert to fraction form
    2,191,268.81/3,023,966.15 = 1,224,439.85/x
  3. Step 3: Cross multiply
    2,191,268.81x = 3,023,966.15 × 1,224,439.85
  4. Step 4: Simplify right side
    2,191,268.81x = 3,702,664,637,869.05
  5. Step 5: Solve for x
    x = 3,702,664,637,869.05/2,191,268.81
  6. Step 6: Final answer
    x = 1,689,735.48

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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.