Home / 2,870,807.56-3,962,288.16-1,647,939.76

Finding the Fourth Proportional to 2,870,807.56, 3,962,288.16 and 1,647,939.76

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Solution

The fourth proportional to 2,870,807.56, 3,962,288.16 and 1,647,939.76 is: 2,274,486.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,807.56 : 3,962,288.16 = 1,647,939.76 : x
  2. Step 2: Convert to fraction form
    2,870,807.56/3,962,288.16 = 1,647,939.76/x
  3. Step 3: Cross multiply
    2,870,807.56x = 3,962,288.16 × 1,647,939.76
  4. Step 4: Simplify right side
    2,870,807.56x = 6,529,612,199,441.24
  5. Step 5: Solve for x
    x = 6,529,612,199,441.24/2,870,807.56
  6. Step 6: Final answer
    x = 2,274,486.21

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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.