Home / 3,213,425.07-4,820,116.80-817,249

Finding the Fourth Proportional to 3,213,425.07, 4,820,116.80 and 817,249

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Solution

The fourth proportional to 3,213,425.07, 4,820,116.80 and 817,249 is: 1,225,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,425.07 : 4,820,116.80 = 817,249 : x
  2. Step 2: Convert to fraction form
    3,213,425.07/4,820,116.80 = 817,249/x
  3. Step 3: Cross multiply
    3,213,425.07x = 4,820,116.80 × 817,249
  4. Step 4: Simplify right side
    3,213,425.07x = 3,939,235,634,683.20
  5. Step 5: Solve for x
    x = 3,939,235,634,683.20/3,213,425.07
  6. Step 6: Final answer
    x = 1,225,868.21

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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.