Home / 3,213,431.17-4,820,125.94-817,255.10

Finding the Fourth Proportional to 3,213,431.17, 4,820,125.94 and 817,255.10

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Solution

The fourth proportional to 3,213,431.17, 4,820,125.94 and 817,255.10 is: 1,225,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,431.17 : 4,820,125.94 = 817,255.10 : x
  2. Step 2: Convert to fraction form
    3,213,431.17/4,820,125.94 = 817,255.10/x
  3. Step 3: Cross multiply
    3,213,431.17x = 4,820,125.94 × 817,255.10
  4. Step 4: Simplify right side
    3,213,431.17x = 3,939,272,507,107.29
  5. Step 5: Solve for x
    x = 3,939,272,507,107.29/3,213,431.17
  6. Step 6: Final answer
    x = 1,225,877.36

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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.