Home / 3,319,805.70-4,979,708.55-2,186,064.90

Finding the Fourth Proportional to 3,319,805.70, 4,979,708.55 and 2,186,064.90

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Solution

The fourth proportional to 3,319,805.70, 4,979,708.55 and 2,186,064.90 is: 3,279,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,805.70 : 4,979,708.55 = 2,186,064.90 : x
  2. Step 2: Convert to fraction form
    3,319,805.70/4,979,708.55 = 2,186,064.90/x
  3. Step 3: Cross multiply
    3,319,805.70x = 4,979,708.55 × 2,186,064.90
  4. Step 4: Simplify right side
    3,319,805.70x = 10,885,966,073,384.89
  5. Step 5: Solve for x
    x = 10,885,966,073,384.89/3,319,805.70
  6. Step 6: Final answer
    x = 3,279,097.35

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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.