Home / 4,309,966.50-6,464,982.16-1,913,166.78

Finding the Fourth Proportional to 4,309,966.50, 6,464,982.16 and 1,913,166.78

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Solution

The fourth proportional to 4,309,966.50, 6,464,982.16 and 1,913,166.78 is: 2,869,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309,966.50 : 6,464,982.16 = 1,913,166.78 : x
  2. Step 2: Convert to fraction form
    4,309,966.50/6,464,982.16 = 1,913,166.78/x
  3. Step 3: Cross multiply
    4,309,966.50x = 6,464,982.16 × 1,913,166.78
  4. Step 4: Simplify right side
    4,309,966.50x = 12,368,589,097,021.73
  5. Step 5: Solve for x
    x = 12,368,589,097,021.73/4,309,966.50
  6. Step 6: Final answer
    x = 2,869,764.56

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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.