Home / 3,443,555.80-5,165,333.70-2,912,114.80

Finding the Fourth Proportional to 3,443,555.80, 5,165,333.70 and 2,912,114.80

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Solution

The fourth proportional to 3,443,555.80, 5,165,333.70 and 2,912,114.80 is: 4,368,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443,555.80 : 5,165,333.70 = 2,912,114.80 : x
  2. Step 2: Convert to fraction form
    3,443,555.80/5,165,333.70 = 2,912,114.80/x
  3. Step 3: Cross multiply
    3,443,555.80x = 5,165,333.70 × 2,912,114.80
  4. Step 4: Simplify right side
    3,443,555.80x = 15,042,044,714,708.76
  5. Step 5: Solve for x
    x = 15,042,044,714,708.76/3,443,555.80
  6. Step 6: Final answer
    x = 4,368,172.20

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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.