Home / 3,618,632.60-5,427,948.90-2,199,123.80

Finding the Fourth Proportional to 3,618,632.60, 5,427,948.90 and 2,199,123.80

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Solution

The fourth proportional to 3,618,632.60, 5,427,948.90 and 2,199,123.80 is: 3,298,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,632.60 : 5,427,948.90 = 2,199,123.80 : x
  2. Step 2: Convert to fraction form
    3,618,632.60/5,427,948.90 = 2,199,123.80/x
  3. Step 3: Cross multiply
    3,618,632.60x = 5,427,948.90 × 2,199,123.80
  4. Step 4: Simplify right side
    3,618,632.60x = 11,936,731,611,173.82
  5. Step 5: Solve for x
    x = 11,936,731,611,173.82/3,618,632.60
  6. Step 6: Final answer
    x = 3,298,685.70

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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.