Home / 2,892,347.40-4,343,186.70-2,183,176.20

Finding the Fourth Proportional to 2,892,347.40, 4,343,186.70 and 2,183,176.20

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Solution

The fourth proportional to 2,892,347.40, 4,343,186.70 and 2,183,176.20 is: 3,278,285.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,347.40 : 4,343,186.70 = 2,183,176.20 : x
  2. Step 2: Convert to fraction form
    2,892,347.40/4,343,186.70 = 2,183,176.20/x
  3. Step 3: Cross multiply
    2,892,347.40x = 4,343,186.70 × 2,183,176.20
  4. Step 4: Simplify right side
    2,892,347.40x = 9,481,941,835,596.54
  5. Step 5: Solve for x
    x = 9,481,941,835,596.54/2,892,347.40
  6. Step 6: Final answer
    x = 3,278,285.95

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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.