Home / 3,114,523.78-4,298,145.74-1,807,677.88

Finding the Fourth Proportional to 3,114,523.78, 4,298,145.74 and 1,807,677.88

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Solution

The fourth proportional to 3,114,523.78, 4,298,145.74 and 1,807,677.88 is: 2,494,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,523.78 : 4,298,145.74 = 1,807,677.88 : x
  2. Step 2: Convert to fraction form
    3,114,523.78/4,298,145.74 = 1,807,677.88/x
  3. Step 3: Cross multiply
    3,114,523.78x = 4,298,145.74 × 1,807,677.88
  4. Step 4: Simplify right side
    3,114,523.78x = 7,769,662,979,214.23
  5. Step 5: Solve for x
    x = 7,769,662,979,214.23/3,114,523.78
  6. Step 6: Final answer
    x = 2,494,655.21

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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.