Home / 2,078,687.60-3,118,128.60-658,854.80

Finding the Fourth Proportional to 2,078,687.60, 3,118,128.60 and 658,854.80

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Solution

The fourth proportional to 2,078,687.60, 3,118,128.60 and 658,854.80 is: 988,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,687.60 : 3,118,128.60 = 658,854.80 : x
  2. Step 2: Convert to fraction form
    2,078,687.60/3,118,128.60 = 658,854.80/x
  3. Step 3: Cross multiply
    2,078,687.60x = 3,118,128.60 × 658,854.80
  4. Step 4: Simplify right side
    2,078,687.60x = 2,054,393,995,127.28
  5. Step 5: Solve for x
    x = 2,054,393,995,127.28/2,078,687.60
  6. Step 6: Final answer
    x = 988,313.01

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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.