Home / 4,892,557.80-7,338,836.70-2,979,370.20

Finding the Fourth Proportional to 4,892,557.80, 7,338,836.70 and 2,979,370.20

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Solution

The fourth proportional to 4,892,557.80, 7,338,836.70 and 2,979,370.20 is: 4,469,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892,557.80 : 7,338,836.70 = 2,979,370.20 : x
  2. Step 2: Convert to fraction form
    4,892,557.80/7,338,836.70 = 2,979,370.20/x
  3. Step 3: Cross multiply
    4,892,557.80x = 7,338,836.70 × 2,979,370.20
  4. Step 4: Simplify right side
    4,892,557.80x = 21,865,111,366,646.34
  5. Step 5: Solve for x
    x = 21,865,111,366,646.34/4,892,557.80
  6. Step 6: Final answer
    x = 4,469,055.30

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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.