Home / 5,178,914.65-7,768,370.61-1,767,200.97

Finding the Fourth Proportional to 5,178,914.65, 7,768,370.61 and 1,767,200.97

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Solution

The fourth proportional to 5,178,914.65, 7,768,370.61 and 1,767,200.97 is: 2,650,800.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,914.65 : 7,768,370.61 = 1,767,200.97 : x
  2. Step 2: Convert to fraction form
    5,178,914.65/7,768,370.61 = 1,767,200.97/x
  3. Step 3: Cross multiply
    5,178,914.65x = 7,768,370.61 × 1,767,200.97
  4. Step 4: Simplify right side
    5,178,914.65x = 13,728,272,106,442.88
  5. Step 5: Solve for x
    x = 13,728,272,106,442.88/5,178,914.65
  6. Step 6: Final answer
    x = 2,650,800.99

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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.