Home / 2,172,859.20-3,260,455.20-910,814.40

Finding the Fourth Proportional to 2,172,859.20, 3,260,455.20 and 910,814.40

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Solution

The fourth proportional to 2,172,859.20, 3,260,455.20 and 910,814.40 is: 1,366,710.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,859.20 : 3,260,455.20 = 910,814.40 : x
  2. Step 2: Convert to fraction form
    2,172,859.20/3,260,455.20 = 910,814.40/x
  3. Step 3: Cross multiply
    2,172,859.20x = 3,260,455.20 × 910,814.40
  4. Step 4: Simplify right side
    2,172,859.20x = 2,969,669,546,714.88
  5. Step 5: Solve for x
    x = 2,969,669,546,714.88/2,172,859.20
  6. Step 6: Final answer
    x = 1,366,710.53

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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.