Home / 2,778,747.40-4,168,121.10-1,659,003.40

Finding the Fourth Proportional to 2,778,747.40, 4,168,121.10 and 1,659,003.40

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Solution

The fourth proportional to 2,778,747.40, 4,168,121.10 and 1,659,003.40 is: 2,488,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,747.40 : 4,168,121.10 = 1,659,003.40 : x
  2. Step 2: Convert to fraction form
    2,778,747.40/4,168,121.10 = 1,659,003.40/x
  3. Step 3: Cross multiply
    2,778,747.40x = 4,168,121.10 × 1,659,003.40
  4. Step 4: Simplify right side
    2,778,747.40x = 6,914,927,076,511.74
  5. Step 5: Solve for x
    x = 6,914,927,076,511.74/2,778,747.40
  6. Step 6: Final answer
    x = 2,488,505.10

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Similar ratio
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1.5x scale

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.