Home / 2,808,835.50-3,876,191.68-1,585,397.63

Finding the Fourth Proportional to 2,808,835.50, 3,876,191.68 and 1,585,397.63

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Solution

The fourth proportional to 2,808,835.50, 3,876,191.68 and 1,585,397.63 is: 2,187,847.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,835.50 : 3,876,191.68 = 1,585,397.63 : x
  2. Step 2: Convert to fraction form
    2,808,835.50/3,876,191.68 = 1,585,397.63/x
  3. Step 3: Cross multiply
    2,808,835.50x = 3,876,191.68 × 1,585,397.63
  4. Step 4: Simplify right side
    2,808,835.50x = 6,145,305,102,897.72
  5. Step 5: Solve for x
    x = 6,145,305,102,897.72/2,808,835.50
  6. Step 6: Final answer
    x = 2,187,847.99

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1.5x scale

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.