Home / 2,011,231.40-3,014,222.70-812,172.20

Finding the Fourth Proportional to 2,011,231.40, 3,014,222.70 and 812,172.20

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Solution

The fourth proportional to 2,011,231.40, 3,014,222.70 and 812,172.20 is: 1,217,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,231.40 : 3,014,222.70 = 812,172.20 : x
  2. Step 2: Convert to fraction form
    2,011,231.40/3,014,222.70 = 812,172.20/x
  3. Step 3: Cross multiply
    2,011,231.40x = 3,014,222.70 × 812,172.20
  4. Step 4: Simplify right side
    2,011,231.40x = 2,448,067,881,548.94
  5. Step 5: Solve for x
    x = 2,448,067,881,548.94/2,011,231.40
  6. Step 6: Final answer
    x = 1,217,198.52

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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.