Home / 2,139,063.14-3,208,999.32-859,770.20

Finding the Fourth Proportional to 2,139,063.14, 3,208,999.32 and 859,770.20

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Solution

The fourth proportional to 2,139,063.14, 3,208,999.32 and 859,770.20 is: 1,289,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,063.14 : 3,208,999.32 = 859,770.20 : x
  2. Step 2: Convert to fraction form
    2,139,063.14/3,208,999.32 = 859,770.20/x
  3. Step 3: Cross multiply
    2,139,063.14x = 3,208,999.32 × 859,770.20
  4. Step 4: Simplify right side
    2,139,063.14x = 2,759,001,995,178.76
  5. Step 5: Solve for x
    x = 2,759,001,995,178.76/2,139,063.14
  6. Step 6: Final answer
    x = 1,289,817.93

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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.