Home / 5,378,558.06-7,422,411.30-2,931,169.70

Finding the Fourth Proportional to 5,378,558.06, 7,422,411.30 and 2,931,169.70

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Solution

The fourth proportional to 5,378,558.06, 7,422,411.30 and 2,931,169.70 is: 4,045,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,558.06 : 7,422,411.30 = 2,931,169.70 : x
  2. Step 2: Convert to fraction form
    5,378,558.06/7,422,411.30 = 2,931,169.70/x
  3. Step 3: Cross multiply
    5,378,558.06x = 7,422,411.30 × 2,931,169.70
  4. Step 4: Simplify right side
    5,378,558.06x = 21,756,347,103,497.61
  5. Step 5: Solve for x
    x = 21,756,347,103,497.61/5,378,558.06
  6. Step 6: Final answer
    x = 4,045,014.83

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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.