Home / 5,433,031.80-8,147,474.10-1,645,255.80

Finding the Fourth Proportional to 5,433,031.80, 8,147,474.10 and 1,645,255.80

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Solution

The fourth proportional to 5,433,031.80, 8,147,474.10 and 1,645,255.80 is: 2,467,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433,031.80 : 8,147,474.10 = 1,645,255.80 : x
  2. Step 2: Convert to fraction form
    5,433,031.80/8,147,474.10 = 1,645,255.80/x
  3. Step 3: Cross multiply
    5,433,031.80x = 8,147,474.10 × 1,645,255.80
  4. Step 4: Simplify right side
    5,433,031.80x = 13,404,679,018,374.78
  5. Step 5: Solve for x
    x = 13,404,679,018,374.78/5,433,031.80
  6. Step 6: Final answer
    x = 2,467,255.76

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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.