Home / 3,186,787-4,783,329.80-1,690,879

Finding the Fourth Proportional to 3,186,787, 4,783,329.80 and 1,690,879

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Solution

The fourth proportional to 3,186,787, 4,783,329.80 and 1,690,879 is: 2,537,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,787 : 4,783,329.80 = 1,690,879 : x
  2. Step 2: Convert to fraction form
    3,186,787/4,783,329.80 = 1,690,879/x
  3. Step 3: Cross multiply
    3,186,787x = 4,783,329.80 × 1,690,879
  4. Step 4: Simplify right side
    3,186,787x = 8,088,031,908,894.20
  5. Step 5: Solve for x
    x = 8,088,031,908,894.20/3,186,787
  6. Step 6: Final answer
    x = 2,537,989.49

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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.