Home / 1,811,520.72-2,502,449.64-1,715,861.34

Finding the Fourth Proportional to 1,811,520.72, 2,502,449.64 and 1,715,861.34

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Solution

The fourth proportional to 1,811,520.72, 2,502,449.64 and 1,715,861.34 is: 2,370,304.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,520.72 : 2,502,449.64 = 1,715,861.34 : x
  2. Step 2: Convert to fraction form
    1,811,520.72/2,502,449.64 = 1,715,861.34/x
  3. Step 3: Cross multiply
    1,811,520.72x = 2,502,449.64 × 1,715,861.34
  4. Step 4: Simplify right side
    1,811,520.72x = 4,293,856,592,572.92
  5. Step 5: Solve for x
    x = 4,293,856,592,572.92/1,811,520.72
  6. Step 6: Final answer
    x = 2,370,304.98

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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.