Home / 3,769,865.85-5,654,678.40-1,211,070.39

Finding the Fourth Proportional to 3,769,865.85, 5,654,678.40 and 1,211,070.39

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Solution

The fourth proportional to 3,769,865.85, 5,654,678.40 and 1,211,070.39 is: 1,816,566.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769,865.85 : 5,654,678.40 = 1,211,070.39 : x
  2. Step 2: Convert to fraction form
    3,769,865.85/5,654,678.40 = 1,211,070.39/x
  3. Step 3: Cross multiply
    3,769,865.85x = 5,654,678.40 × 1,211,070.39
  4. Step 4: Simplify right side
    3,769,865.85x = 6,848,213,575,212.58
  5. Step 5: Solve for x
    x = 6,848,213,575,212.58/3,769,865.85
  6. Step 6: Final answer
    x = 1,816,566.91

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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.