Home / 2,431,395.40-3,653,313.90-2,157,680.20

Finding the Fourth Proportional to 2,431,395.40, 3,653,313.90 and 2,157,680.20

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Solution

The fourth proportional to 2,431,395.40, 3,653,313.90 and 2,157,680.20 is: 3,242,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431,395.40 : 3,653,313.90 = 2,157,680.20 : x
  2. Step 2: Convert to fraction form
    2,431,395.40/3,653,313.90 = 2,157,680.20/x
  3. Step 3: Cross multiply
    2,431,395.40x = 3,653,313.90 × 2,157,680.20
  4. Step 4: Simplify right side
    2,431,395.40x = 7,882,683,066,414.78
  5. Step 5: Solve for x
    x = 7,882,683,066,414.78/2,431,395.40
  6. Step 6: Final answer
    x = 3,242,040.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.