Home / 3,186,788-4,783,331.30-1,690,880

Finding the Fourth Proportional to 3,186,788, 4,783,331.30 and 1,690,880

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Solution

The fourth proportional to 3,186,788, 4,783,331.30 and 1,690,880 is: 2,537,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,788 : 4,783,331.30 = 1,690,880 : x
  2. Step 2: Convert to fraction form
    3,186,788/4,783,331.30 = 1,690,880/x
  3. Step 3: Cross multiply
    3,186,788x = 4,783,331.30 × 1,690,880
  4. Step 4: Simplify right side
    3,186,788x = 8,088,039,228,544
  5. Step 5: Solve for x
    x = 8,088,039,228,544/3,186,788
  6. Step 6: Final answer
    x = 2,537,990.99

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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.