Home / 3,217,230.51-4,825,841.88-821,075.42

Finding the Fourth Proportional to 3,217,230.51, 4,825,841.88 and 821,075.42

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Solution

The fourth proportional to 3,217,230.51, 4,825,841.88 and 821,075.42 is: 1,231,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,230.51 : 4,825,841.88 = 821,075.42 : x
  2. Step 2: Convert to fraction form
    3,217,230.51/4,825,841.88 = 821,075.42/x
  3. Step 3: Cross multiply
    3,217,230.51x = 4,825,841.88 × 821,075.42
  4. Step 4: Simplify right side
    3,217,230.51x = 3,962,380,124,345.38
  5. Step 5: Solve for x
    x = 3,962,380,124,345.38/3,217,230.51
  6. Step 6: Final answer
    x = 1,231,612.13

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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.