Home / 2,143,647.25-3,213,024.69-863,434.84

Finding the Fourth Proportional to 2,143,647.25, 3,213,024.69 and 863,434.84

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Solution

The fourth proportional to 2,143,647.25, 3,213,024.69 and 863,434.84 is: 1,294,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,647.25 : 3,213,024.69 = 863,434.84 : x
  2. Step 2: Convert to fraction form
    2,143,647.25/3,213,024.69 = 863,434.84/x
  3. Step 3: Cross multiply
    2,143,647.25x = 3,213,024.69 × 863,434.84
  4. Step 4: Simplify right side
    2,143,647.25x = 2,774,237,459,126.20
  5. Step 5: Solve for x
    x = 2,774,237,459,126.20/2,143,647.25
  6. Step 6: Final answer
    x = 1,294,166.97

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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.