Home / 5,379,867.10-8,069,836.98-1,966,749.61

Finding the Fourth Proportional to 5,379,867.10, 8,069,836.98 and 1,966,749.61

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Solution

The fourth proportional to 5,379,867.10, 8,069,836.98 and 1,966,749.61 is: 2,950,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,867.10 : 8,069,836.98 = 1,966,749.61 : x
  2. Step 2: Convert to fraction form
    5,379,867.10/8,069,836.98 = 1,966,749.61/x
  3. Step 3: Cross multiply
    5,379,867.10x = 8,069,836.98 × 1,966,749.61
  4. Step 4: Simplify right side
    5,379,867.10x = 15,871,348,733,178.58
  5. Step 5: Solve for x
    x = 15,871,348,733,178.58/5,379,867.10
  6. Step 6: Final answer
    x = 2,950,137.70

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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.