Home / 2,536,821.26-3,500,786.67-1,390,898.78

Finding the Fourth Proportional to 2,536,821.26, 3,500,786.67 and 1,390,898.78

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Solution

The fourth proportional to 2,536,821.26, 3,500,786.67 and 1,390,898.78 is: 1,919,425.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,536,821.26 : 3,500,786.67 = 1,390,898.78 : x
  2. Step 2: Convert to fraction form
    2,536,821.26/3,500,786.67 = 1,390,898.78/x
  3. Step 3: Cross multiply
    2,536,821.26x = 3,500,786.67 × 1,390,898.78
  4. Step 4: Simplify right side
    2,536,821.26x = 4,869,239,908,343.26
  5. Step 5: Solve for x
    x = 4,869,239,908,343.26/2,536,821.26
  6. Step 6: Final answer
    x = 1,919,425.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.