Home / 5,979,148.20-8,966,972.70-2,140,525.80

Finding the Fourth Proportional to 5,979,148.20, 8,966,972.70 and 2,140,525.80

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Solution

The fourth proportional to 5,979,148.20, 8,966,972.70 and 2,140,525.80 is: 3,210,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979,148.20 : 8,966,972.70 = 2,140,525.80 : x
  2. Step 2: Convert to fraction form
    5,979,148.20/8,966,972.70 = 2,140,525.80/x
  3. Step 3: Cross multiply
    5,979,148.20x = 8,966,972.70 × 2,140,525.80
  4. Step 4: Simplify right side
    5,979,148.20x = 19,194,036,412,245.66
  5. Step 5: Solve for x
    x = 19,194,036,412,245.66/5,979,148.20
  6. Step 6: Final answer
    x = 3,210,162.35

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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.