Home / 2,190,326.48-3,022,559.88-1,223,452.24

Finding the Fourth Proportional to 2,190,326.48, 3,022,559.88 and 1,223,452.24

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Solution

The fourth proportional to 2,190,326.48, 3,022,559.88 and 1,223,452.24 is: 1,688,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,326.48 : 3,022,559.88 = 1,223,452.24 : x
  2. Step 2: Convert to fraction form
    2,190,326.48/3,022,559.88 = 1,223,452.24/x
  3. Step 3: Cross multiply
    2,190,326.48x = 3,022,559.88 × 1,223,452.24
  4. Step 4: Simplify right side
    2,190,326.48x = 3,697,957,655,720.13
  5. Step 5: Solve for x
    x = 3,697,957,655,720.13/2,190,326.48
  6. Step 6: Final answer
    x = 1,688,313.45

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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.