Home / 2,171,838.60-3,257,757.90-1,499,992.20

Finding the Fourth Proportional to 2,171,838.60, 3,257,757.90 and 1,499,992.20

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Solution

The fourth proportional to 2,171,838.60, 3,257,757.90 and 1,499,992.20 is: 2,249,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,838.60 : 3,257,757.90 = 1,499,992.20 : x
  2. Step 2: Convert to fraction form
    2,171,838.60/3,257,757.90 = 1,499,992.20/x
  3. Step 3: Cross multiply
    2,171,838.60x = 3,257,757.90 × 1,499,992.20
  4. Step 4: Simplify right side
    2,171,838.60x = 4,886,611,439,488.38
  5. Step 5: Solve for x
    x = 4,886,611,439,488.38/2,171,838.60
  6. Step 6: Final answer
    x = 2,249,988.30

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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.