Home / 1,813,829.80-2,720,658.30-615,634.60

Finding the Fourth Proportional to 1,813,829.80, 2,720,658.30 and 615,634.60

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Solution

The fourth proportional to 1,813,829.80, 2,720,658.30 and 615,634.60 is: 923,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,829.80 : 2,720,658.30 = 615,634.60 : x
  2. Step 2: Convert to fraction form
    1,813,829.80/2,720,658.30 = 615,634.60/x
  3. Step 3: Cross multiply
    1,813,829.80x = 2,720,658.30 × 615,634.60
  4. Step 4: Simplify right side
    1,813,829.80x = 1,674,931,384,257.18
  5. Step 5: Solve for x
    x = 1,674,931,384,257.18/1,813,829.80
  6. Step 6: Final answer
    x = 923,422.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.