Home / 3,118,031.50-4,302,896.43-1,687,247.50

Finding the Fourth Proportional to 3,118,031.50, 4,302,896.43 and 1,687,247.50

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Solution

The fourth proportional to 3,118,031.50, 4,302,896.43 and 1,687,247.50 is: 2,328,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,031.50 : 4,302,896.43 = 1,687,247.50 : x
  2. Step 2: Convert to fraction form
    3,118,031.50/4,302,896.43 = 1,687,247.50/x
  3. Step 3: Cross multiply
    3,118,031.50x = 4,302,896.43 × 1,687,247.50
  4. Step 4: Simplify right side
    3,118,031.50x = 7,260,051,244,276.43
  5. Step 5: Solve for x
    x = 7,260,051,244,276.43/3,118,031.50
  6. Step 6: Final answer
    x = 2,328,408.56

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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.