Home / 1,811,143.53-2,712,231.14-1,330,230.89

Finding the Fourth Proportional to 1,811,143.53, 2,712,231.14 and 1,330,230.89

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Solution

The fourth proportional to 1,811,143.53, 2,712,231.14 and 1,330,230.89 is: 1,992,052.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,143.53 : 2,712,231.14 = 1,330,230.89 : x
  2. Step 2: Convert to fraction form
    1,811,143.53/2,712,231.14 = 1,330,230.89/x
  3. Step 3: Cross multiply
    1,811,143.53x = 2,712,231.14 × 1,330,230.89
  4. Step 4: Simplify right side
    1,811,143.53x = 3,607,893,643,247.91
  5. Step 5: Solve for x
    x = 3,607,893,643,247.91/1,811,143.53
  6. Step 6: Final answer
    x = 1,992,052.86

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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.