Home / 5,120,176.15-7,677,692.83-1,707,254.52

Finding the Fourth Proportional to 5,120,176.15, 7,677,692.83 and 1,707,254.52

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Solution

The fourth proportional to 5,120,176.15, 7,677,692.83 and 1,707,254.52 is: 2,560,024.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,176.15 : 7,677,692.83 = 1,707,254.52 : x
  2. Step 2: Convert to fraction form
    5,120,176.15/7,677,692.83 = 1,707,254.52/x
  3. Step 3: Cross multiply
    5,120,176.15x = 7,677,692.83 × 1,707,254.52
  4. Step 4: Simplify right side
    5,120,176.15x = 13,107,775,760,531.81
  5. Step 5: Solve for x
    x = 13,107,775,760,531.81/5,120,176.15
  6. Step 6: Final answer
    x = 2,560,024.38

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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.