Home / 3,867,205.80-5,800,808.70-1,977,637.80

Finding the Fourth Proportional to 3,867,205.80, 5,800,808.70 and 1,977,637.80

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Solution

The fourth proportional to 3,867,205.80, 5,800,808.70 and 1,977,637.80 is: 2,966,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,205.80 : 5,800,808.70 = 1,977,637.80 : x
  2. Step 2: Convert to fraction form
    3,867,205.80/5,800,808.70 = 1,977,637.80/x
  3. Step 3: Cross multiply
    3,867,205.80x = 5,800,808.70 × 1,977,637.80
  4. Step 4: Simplify right side
    3,867,205.80x = 11,471,898,555,688.86
  5. Step 5: Solve for x
    x = 11,471,898,555,688.86/3,867,205.80
  6. Step 6: Final answer
    x = 2,966,456.70

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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.