Home / 3,109,003.13-4,290,433.21-1,802,509.08

Finding the Fourth Proportional to 3,109,003.13, 4,290,433.21 and 1,802,509.08

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Solution

The fourth proportional to 3,109,003.13, 4,290,433.21 and 1,802,509.08 is: 2,487,467.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,003.13 : 4,290,433.21 = 1,802,509.08 : x
  2. Step 2: Convert to fraction form
    3,109,003.13/4,290,433.21 = 1,802,509.08/x
  3. Step 3: Cross multiply
    3,109,003.13x = 4,290,433.21 × 1,802,509.08
  4. Step 4: Simplify right side
    3,109,003.13x = 7,733,544,796,706.38
  5. Step 5: Solve for x
    x = 7,733,544,796,706.38/3,109,003.13
  6. Step 6: Final answer
    x = 2,487,467.68

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1.5x scale

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.