Home / 2,288,285.10-3,430,872.45-868,128.30

Finding the Fourth Proportional to 2,288,285.10, 3,430,872.45 and 868,128.30

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Solution

The fourth proportional to 2,288,285.10, 3,430,872.45 and 868,128.30 is: 1,301,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288,285.10 : 3,430,872.45 = 868,128.30 : x
  2. Step 2: Convert to fraction form
    2,288,285.10/3,430,872.45 = 868,128.30/x
  3. Step 3: Cross multiply
    2,288,285.10x = 3,430,872.45 × 868,128.30
  4. Step 4: Simplify right side
    2,288,285.10x = 2,978,437,467,535.34
  5. Step 5: Solve for x
    x = 2,978,437,467,535.34/2,288,285.10
  6. Step 6: Final answer
    x = 1,301,602.44

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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.