Home / 2,010,597.80-3,015,896.70-1,212,780.20

Finding the Fourth Proportional to 2,010,597.80, 3,015,896.70 and 1,212,780.20

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Solution

The fourth proportional to 2,010,597.80, 3,015,896.70 and 1,212,780.20 is: 1,819,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,597.80 : 3,015,896.70 = 1,212,780.20 : x
  2. Step 2: Convert to fraction form
    2,010,597.80/3,015,896.70 = 1,212,780.20/x
  3. Step 3: Cross multiply
    2,010,597.80x = 3,015,896.70 × 1,212,780.20
  4. Step 4: Simplify right side
    2,010,597.80x = 3,657,619,803,005.34
  5. Step 5: Solve for x
    x = 3,657,619,803,005.34/2,010,597.80
  6. Step 6: Final answer
    x = 1,819,170.30

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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.