Home / 3,218,268.40-4,820,404.20-1,953,890.80

Finding the Fourth Proportional to 3,218,268.40, 4,820,404.20 and 1,953,890.80

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Solution

The fourth proportional to 3,218,268.40, 4,820,404.20 and 1,953,890.80 is: 2,926,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,268.40 : 4,820,404.20 = 1,953,890.80 : x
  2. Step 2: Convert to fraction form
    3,218,268.40/4,820,404.20 = 1,953,890.80/x
  3. Step 3: Cross multiply
    3,218,268.40x = 4,820,404.20 × 1,953,890.80
  4. Step 4: Simplify right side
    3,218,268.40x = 9,418,543,418,661.36
  5. Step 5: Solve for x
    x = 9,418,543,418,661.36/3,218,268.40
  6. Step 6: Final answer
    x = 2,926,587.30

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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.