Home / 3,079,285.20-4,618,927.80-2,780,686.80

Finding the Fourth Proportional to 3,079,285.20, 4,618,927.80 and 2,780,686.80

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Solution

The fourth proportional to 3,079,285.20, 4,618,927.80 and 2,780,686.80 is: 4,171,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,285.20 : 4,618,927.80 = 2,780,686.80 : x
  2. Step 2: Convert to fraction form
    3,079,285.20/4,618,927.80 = 2,780,686.80/x
  3. Step 3: Cross multiply
    3,079,285.20x = 4,618,927.80 × 2,780,686.80
  4. Step 4: Simplify right side
    3,079,285.20x = 12,843,791,563,613.04
  5. Step 5: Solve for x
    x = 12,843,791,563,613.04/3,079,285.20
  6. Step 6: Final answer
    x = 4,171,030.20

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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.