Home / 3,211,224.69-4,816,853.13-815,070.03

Finding the Fourth Proportional to 3,211,224.69, 4,816,853.13 and 815,070.03

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Solution

The fourth proportional to 3,211,224.69, 4,816,853.13 and 815,070.03 is: 1,222,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,224.69 : 4,816,853.13 = 815,070.03 : x
  2. Step 2: Convert to fraction form
    3,211,224.69/4,816,853.13 = 815,070.03/x
  3. Step 3: Cross multiply
    3,211,224.69x = 4,816,853.13 × 815,070.03
  4. Step 4: Simplify right side
    3,211,224.69x = 3,926,072,634,970.42
  5. Step 5: Solve for x
    x = 3,926,072,634,970.42/3,211,224.69
  6. Step 6: Final answer
    x = 1,222,609.13

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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.