Home / 1,787,996.20-2,681,994.30-1,775,554.60

Finding the Fourth Proportional to 1,787,996.20, 2,681,994.30 and 1,775,554.60

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Solution

The fourth proportional to 1,787,996.20, 2,681,994.30 and 1,775,554.60 is: 2,663,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,996.20 : 2,681,994.30 = 1,775,554.60 : x
  2. Step 2: Convert to fraction form
    1,787,996.20/2,681,994.30 = 1,775,554.60/x
  3. Step 3: Cross multiply
    1,787,996.20x = 2,681,994.30 × 1,775,554.60
  4. Step 4: Simplify right side
    1,787,996.20x = 4,762,027,316,538.78
  5. Step 5: Solve for x
    x = 4,762,027,316,538.78/1,787,996.20
  6. Step 6: Final answer
    x = 2,663,331.90

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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.