Home / 1,811,548.62-2,500,049.09-1,509,217.74

Finding the Fourth Proportional to 1,811,548.62, 2,500,049.09 and 1,509,217.74

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Solution

The fourth proportional to 1,811,548.62, 2,500,049.09 and 1,509,217.74 is: 2,082,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,548.62 : 2,500,049.09 = 1,509,217.74 : x
  2. Step 2: Convert to fraction form
    1,811,548.62/2,500,049.09 = 1,509,217.74/x
  3. Step 3: Cross multiply
    1,811,548.62x = 2,500,049.09 × 1,509,217.74
  4. Step 4: Simplify right side
    1,811,548.62x = 3,773,118,437,498.86
  5. Step 5: Solve for x
    x = 3,773,118,437,498.86/1,811,548.62
  6. Step 6: Final answer
    x = 2,082,813.78

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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.