Home / 5,191,205.56-7,781,690.72-1,823,050.60

Finding the Fourth Proportional to 5,191,205.56, 7,781,690.72 and 1,823,050.60

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Solution

The fourth proportional to 5,191,205.56, 7,781,690.72 and 1,823,050.60 is: 2,732,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,205.56 : 7,781,690.72 = 1,823,050.60 : x
  2. Step 2: Convert to fraction form
    5,191,205.56/7,781,690.72 = 1,823,050.60/x
  3. Step 3: Cross multiply
    5,191,205.56x = 7,781,690.72 × 1,823,050.60
  4. Step 4: Simplify right side
    5,191,205.56x = 14,186,415,921,213.83
  5. Step 5: Solve for x
    x = 14,186,415,921,213.83/5,191,205.56
  6. Step 6: Final answer
    x = 2,732,778.69

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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.