Home / 5,177,853.41-7,145,485.11-2,854,829.30

Finding the Fourth Proportional to 5,177,853.41, 7,145,485.11 and 2,854,829.30

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Solution

The fourth proportional to 5,177,853.41, 7,145,485.11 and 2,854,829.30 is: 3,939,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,853.41 : 7,145,485.11 = 2,854,829.30 : x
  2. Step 2: Convert to fraction form
    5,177,853.41/7,145,485.11 = 2,854,829.30/x
  3. Step 3: Cross multiply
    5,177,853.41x = 7,145,485.11 × 2,854,829.30
  4. Step 4: Simplify right side
    5,177,853.41x = 20,399,140,219,014.30
  5. Step 5: Solve for x
    x = 20,399,140,219,014.30/5,177,853.41
  6. Step 6: Final answer
    x = 3,939,690.57

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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.