Home / 3,621,806.85-4,998,133.23-1,990,214.64

Finding the Fourth Proportional to 3,621,806.85, 4,998,133.23 and 1,990,214.64

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Solution

The fourth proportional to 3,621,806.85, 4,998,133.23 and 1,990,214.64 is: 2,746,518.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,806.85 : 4,998,133.23 = 1,990,214.64 : x
  2. Step 2: Convert to fraction form
    3,621,806.85/4,998,133.23 = 1,990,214.64/x
  3. Step 3: Cross multiply
    3,621,806.85x = 4,998,133.23 × 1,990,214.64
  4. Step 4: Simplify right side
    3,621,806.85x = 9,947,357,902,025.82
  5. Step 5: Solve for x
    x = 9,947,357,902,025.82/3,621,806.85
  6. Step 6: Final answer
    x = 2,746,518.06

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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.