Home / 2,012,212.80-3,021,818.40-1,067,428.80

Finding the Fourth Proportional to 2,012,212.80, 3,021,818.40 and 1,067,428.80

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Solution

The fourth proportional to 2,012,212.80, 3,021,818.40 and 1,067,428.80 is: 1,602,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,212.80 : 3,021,818.40 = 1,067,428.80 : x
  2. Step 2: Convert to fraction form
    2,012,212.80/3,021,818.40 = 1,067,428.80/x
  3. Step 3: Cross multiply
    2,012,212.80x = 3,021,818.40 × 1,067,428.80
  4. Step 4: Simplify right side
    2,012,212.80x = 3,225,575,988,529.92
  5. Step 5: Solve for x
    x = 3,225,575,988,529.92/2,012,212.80
  6. Step 6: Final answer
    x = 1,602,999.44

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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.