Home / 3,218,854.80-4,828,282.20-2,021,618.10

Finding the Fourth Proportional to 3,218,854.80, 4,828,282.20 and 2,021,618.10

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Solution

The fourth proportional to 3,218,854.80, 4,828,282.20 and 2,021,618.10 is: 3,032,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,854.80 : 4,828,282.20 = 2,021,618.10 : x
  2. Step 2: Convert to fraction form
    3,218,854.80/4,828,282.20 = 2,021,618.10/x
  3. Step 3: Cross multiply
    3,218,854.80x = 4,828,282.20 × 2,021,618.10
  4. Step 4: Simplify right side
    3,218,854.80x = 9,760,942,687,427.82
  5. Step 5: Solve for x
    x = 9,760,942,687,427.82/3,218,854.80
  6. Step 6: Final answer
    x = 3,032,427.15

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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.