Home / 4,186,579.70-6,279,869.55-2,985,965.30

Finding the Fourth Proportional to 4,186,579.70, 6,279,869.55 and 2,985,965.30

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Solution

The fourth proportional to 4,186,579.70, 6,279,869.55 and 2,985,965.30 is: 4,478,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186,579.70 : 6,279,869.55 = 2,985,965.30 : x
  2. Step 2: Convert to fraction form
    4,186,579.70/6,279,869.55 = 2,985,965.30/x
  3. Step 3: Cross multiply
    4,186,579.70x = 6,279,869.55 × 2,985,965.30
  4. Step 4: Simplify right side
    4,186,579.70x = 18,751,472,564,826.61
  5. Step 5: Solve for x
    x = 18,751,472,564,826.61/4,186,579.70
  6. Step 6: Final answer
    x = 4,478,947.95

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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.