Home / 2,158,579.12-3,237,573.73-642,496.04

Finding the Fourth Proportional to 2,158,579.12, 3,237,573.73 and 642,496.04

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Solution

The fourth proportional to 2,158,579.12, 3,237,573.73 and 642,496.04 is: 963,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,579.12 : 3,237,573.73 = 642,496.04 : x
  2. Step 2: Convert to fraction form
    2,158,579.12/3,237,573.73 = 642,496.04/x
  3. Step 3: Cross multiply
    2,158,579.12x = 3,237,573.73 × 642,496.04
  4. Step 4: Simplify right side
    2,158,579.12x = 2,080,128,297,520.55
  5. Step 5: Solve for x
    x = 2,080,128,297,520.55/2,158,579.12
  6. Step 6: Final answer
    x = 963,656.27

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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.