Home / 4,090,150.89-5,642,331.21-3,121,599.06

Finding the Fourth Proportional to 4,090,150.89, 5,642,331.21 and 3,121,599.06

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Solution

The fourth proportional to 4,090,150.89, 5,642,331.21 and 3,121,599.06 is: 4,306,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090,150.89 : 5,642,331.21 = 3,121,599.06 : x
  2. Step 2: Convert to fraction form
    4,090,150.89/5,642,331.21 = 3,121,599.06/x
  3. Step 3: Cross multiply
    4,090,150.89x = 5,642,331.21 × 3,121,599.06
  4. Step 4: Simplify right side
    4,090,150.89x = 17,613,095,801,344.66
  5. Step 5: Solve for x
    x = 17,613,095,801,344.66/4,090,150.89
  6. Step 6: Final answer
    x = 4,306,221.52

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Double scale
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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.