Home / 3,621,730.66-4,997,689.22-1,990,053.70

Finding the Fourth Proportional to 3,621,730.66, 4,997,689.22 and 1,990,053.70

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Solution

The fourth proportional to 3,621,730.66, 4,997,689.22 and 1,990,053.70 is: 2,746,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,730.66 : 4,997,689.22 = 1,990,053.70 : x
  2. Step 2: Convert to fraction form
    3,621,730.66/4,997,689.22 = 1,990,053.70/x
  3. Step 3: Cross multiply
    3,621,730.66x = 4,997,689.22 × 1,990,053.70
  4. Step 4: Simplify right side
    3,621,730.66x = 9,945,669,923,711.11
  5. Step 5: Solve for x
    x = 9,945,669,923,711.11/3,621,730.66
  6. Step 6: Final answer
    x = 2,746,109.76

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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.