Home / 2,810,116.50-3,878,054.61-1,722,177.85

Finding the Fourth Proportional to 2,810,116.50, 3,878,054.61 and 1,722,177.85

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Solution

The fourth proportional to 2,810,116.50, 3,878,054.61 and 1,722,177.85 is: 2,376,662.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,116.50 : 3,878,054.61 = 1,722,177.85 : x
  2. Step 2: Convert to fraction form
    2,810,116.50/3,878,054.61 = 1,722,177.85/x
  3. Step 3: Cross multiply
    2,810,116.50x = 3,878,054.61 × 1,722,177.85
  4. Step 4: Simplify right side
    2,810,116.50x = 6,678,699,750,432.39
  5. Step 5: Solve for x
    x = 6,678,699,750,432.39/2,810,116.50
  6. Step 6: Final answer
    x = 2,376,662.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.