Home / 3,912,521.80-5,870,532.30-1,889,984.20

Finding the Fourth Proportional to 3,912,521.80, 5,870,532.30 and 1,889,984.20

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Solution

The fourth proportional to 3,912,521.80, 5,870,532.30 and 1,889,984.20 is: 2,835,821.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,521.80 : 5,870,532.30 = 1,889,984.20 : x
  2. Step 2: Convert to fraction form
    3,912,521.80/5,870,532.30 = 1,889,984.20/x
  3. Step 3: Cross multiply
    3,912,521.80x = 5,870,532.30 × 1,889,984.20
  4. Step 4: Simplify right side
    3,912,521.80x = 11,095,213,292,589.66
  5. Step 5: Solve for x
    x = 11,095,213,292,589.66/3,912,521.80
  6. Step 6: Final answer
    x = 2,835,821.46

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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.