Home / 2,078,485.60-3,117,825.60-658,652.80

Finding the Fourth Proportional to 2,078,485.60, 3,117,825.60 and 658,652.80

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Solution

The fourth proportional to 2,078,485.60, 3,117,825.60 and 658,652.80 is: 988,010.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,485.60 : 3,117,825.60 = 658,652.80 : x
  2. Step 2: Convert to fraction form
    2,078,485.60/3,117,825.60 = 658,652.80/x
  3. Step 3: Cross multiply
    2,078,485.60x = 3,117,825.60 × 658,652.80
  4. Step 4: Simplify right side
    2,078,485.60x = 2,053,564,561,351.68
  5. Step 5: Solve for x
    x = 2,053,564,561,351.68/2,078,485.60
  6. Step 6: Final answer
    x = 988,010.00

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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.