Home / 2,880,213.80-4,320,320.70-2,556,732.20

Finding the Fourth Proportional to 2,880,213.80, 4,320,320.70 and 2,556,732.20

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Solution

The fourth proportional to 2,880,213.80, 4,320,320.70 and 2,556,732.20 is: 3,835,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,213.80 : 4,320,320.70 = 2,556,732.20 : x
  2. Step 2: Convert to fraction form
    2,880,213.80/4,320,320.70 = 2,556,732.20/x
  3. Step 3: Cross multiply
    2,880,213.80x = 4,320,320.70 × 2,556,732.20
  4. Step 4: Simplify right side
    2,880,213.80x = 11,045,903,048,016.54
  5. Step 5: Solve for x
    x = 11,045,903,048,016.54/2,880,213.80
  6. Step 6: Final answer
    x = 3,835,098.30

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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.