Home / 2,190,192.18-3,022,433.36-1,223,336.22

Finding the Fourth Proportional to 2,190,192.18, 3,022,433.36 and 1,223,336.22

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Solution

The fourth proportional to 2,190,192.18, 3,022,433.36 and 1,223,336.22 is: 1,688,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,192.18 : 3,022,433.36 = 1,223,336.22 : x
  2. Step 2: Convert to fraction form
    2,190,192.18/3,022,433.36 = 1,223,336.22/x
  3. Step 3: Cross multiply
    2,190,192.18x = 3,022,433.36 × 1,223,336.22
  4. Step 4: Simplify right side
    2,190,192.18x = 3,697,452,201,824.30
  5. Step 5: Solve for x
    x = 3,697,452,201,824.30/2,190,192.18
  6. Step 6: Final answer
    x = 1,688,186.19

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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.