Home / 2,478,041.13-3,419,642.96-1,431,463.22

Finding the Fourth Proportional to 2,478,041.13, 3,419,642.96 and 1,431,463.22

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Solution

The fourth proportional to 2,478,041.13, 3,419,642.96 and 1,431,463.22 is: 1,975,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478,041.13 : 3,419,642.96 = 1,431,463.22 : x
  2. Step 2: Convert to fraction form
    2,478,041.13/3,419,642.96 = 1,431,463.22/x
  3. Step 3: Cross multiply
    2,478,041.13x = 3,419,642.96 × 1,431,463.22
  4. Step 4: Simplify right side
    2,478,041.13x = 4,895,093,124,760.03
  5. Step 5: Solve for x
    x = 4,895,093,124,760.03/2,478,041.13
  6. Step 6: Final answer
    x = 1,975,388.16

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Double scale
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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.