Home / 2,105,532.80-3,158,299.50-508,095.89

Finding the Fourth Proportional to 2,105,532.80, 3,158,299.50 and 508,095.89

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Solution

The fourth proportional to 2,105,532.80, 3,158,299.50 and 508,095.89 is: 762,143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,532.80 : 3,158,299.50 = 508,095.89 : x
  2. Step 2: Convert to fraction form
    2,105,532.80/3,158,299.50 = 508,095.89/x
  3. Step 3: Cross multiply
    2,105,532.80x = 3,158,299.50 × 508,095.89
  4. Step 4: Simplify right side
    2,105,532.80x = 1,604,719,003,234.80
  5. Step 5: Solve for x
    x = 1,604,719,003,234.80/2,105,532.80
  6. Step 6: Final answer
    x = 762,143.91

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Double scale
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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.