Home / 2,078,566.70-3,118,287.45-658,766.30

Finding the Fourth Proportional to 2,078,566.70, 3,118,287.45 and 658,766.30

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Solution

The fourth proportional to 2,078,566.70, 3,118,287.45 and 658,766.30 is: 988,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,566.70 : 3,118,287.45 = 658,766.30 : x
  2. Step 2: Convert to fraction form
    2,078,566.70/3,118,287.45 = 658,766.30/x
  3. Step 3: Cross multiply
    2,078,566.70x = 3,118,287.45 × 658,766.30
  4. Step 4: Simplify right side
    2,078,566.70x = 2,054,222,685,772.94
  5. Step 5: Solve for x
    x = 2,054,222,685,772.94/2,078,566.70
  6. Step 6: Final answer
    x = 988,288.08

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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.