Home / 2,190,294.36-3,022,409.16-1,223,290.44

Finding the Fourth Proportional to 2,190,294.36, 3,022,409.16 and 1,223,290.44

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Solution

The fourth proportional to 2,190,294.36, 3,022,409.16 and 1,223,290.44 is: 1,688,030.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,294.36 : 3,022,409.16 = 1,223,290.44 : x
  2. Step 2: Convert to fraction form
    2,190,294.36/3,022,409.16 = 1,223,290.44/x
  3. Step 3: Cross multiply
    2,190,294.36x = 3,022,409.16 × 1,223,290.44
  4. Step 4: Simplify right side
    2,190,294.36x = 3,697,284,231,196.43
  5. Step 5: Solve for x
    x = 3,697,284,231,196.43/2,190,294.36
  6. Step 6: Final answer
    x = 1,688,030.75

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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.