Home / 5,430,031.80-8,142,974.10-1,642,255.80

Finding the Fourth Proportional to 5,430,031.80, 8,142,974.10 and 1,642,255.80

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Solution

The fourth proportional to 5,430,031.80, 8,142,974.10 and 1,642,255.80 is: 2,462,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,031.80 : 8,142,974.10 = 1,642,255.80 : x
  2. Step 2: Convert to fraction form
    5,430,031.80/8,142,974.10 = 1,642,255.80/x
  3. Step 3: Cross multiply
    5,430,031.80x = 8,142,974.10 × 1,642,255.80
  4. Step 4: Simplify right side
    5,430,031.80x = 13,372,846,444,974.78
  5. Step 5: Solve for x
    x = 13,372,846,444,974.78/5,430,031.80
  6. Step 6: Final answer
    x = 2,462,756.56

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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.