Home / 2,558,816.80-3,838,743.60-876,090.40

Finding the Fourth Proportional to 2,558,816.80, 3,838,743.60 and 876,090.40

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Solution

The fourth proportional to 2,558,816.80, 3,838,743.60 and 876,090.40 is: 1,314,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558,816.80 : 3,838,743.60 = 876,090.40 : x
  2. Step 2: Convert to fraction form
    2,558,816.80/3,838,743.60 = 876,090.40/x
  3. Step 3: Cross multiply
    2,558,816.80x = 3,838,743.60 × 876,090.40
  4. Step 4: Simplify right side
    2,558,816.80x = 3,363,086,416,021.44
  5. Step 5: Solve for x
    x = 3,363,086,416,021.44/2,558,816.80
  6. Step 6: Final answer
    x = 1,314,313.09

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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.