Home / 2,820,657.66-3,892,586.40-1,531,576.68

Finding the Fourth Proportional to 2,820,657.66, 3,892,586.40 and 1,531,576.68

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Solution

The fourth proportional to 2,820,657.66, 3,892,586.40 and 1,531,576.68 is: 2,113,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,657.66 : 3,892,586.40 = 1,531,576.68 : x
  2. Step 2: Convert to fraction form
    2,820,657.66/3,892,586.40 = 1,531,576.68/x
  3. Step 3: Cross multiply
    2,820,657.66x = 3,892,586.40 × 1,531,576.68
  4. Step 4: Simplify right side
    2,820,657.66x = 5,961,794,555,125.15
  5. Step 5: Solve for x
    x = 5,961,794,555,125.15/2,820,657.66
  6. Step 6: Final answer
    x = 2,113,618.62

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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.