Home / 4,679,976.30-7,019,964.45-2,657,438.70

Finding the Fourth Proportional to 4,679,976.30, 7,019,964.45 and 2,657,438.70

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Solution

The fourth proportional to 4,679,976.30, 7,019,964.45 and 2,657,438.70 is: 3,986,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,976.30 : 7,019,964.45 = 2,657,438.70 : x
  2. Step 2: Convert to fraction form
    4,679,976.30/7,019,964.45 = 2,657,438.70/x
  3. Step 3: Cross multiply
    4,679,976.30x = 7,019,964.45 × 2,657,438.70
  4. Step 4: Simplify right side
    4,679,976.30x = 18,655,125,202,054.22
  5. Step 5: Solve for x
    x = 18,655,125,202,054.22/4,679,976.30
  6. Step 6: Final answer
    x = 3,986,158.05

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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.