Home / 4,429,177.20-6,628,019.40-3,074,986.80

Finding the Fourth Proportional to 4,429,177.20, 6,628,019.40 and 3,074,986.80

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Solution

The fourth proportional to 4,429,177.20, 6,628,019.40 and 3,074,986.80 is: 4,601,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429,177.20 : 6,628,019.40 = 3,074,986.80 : x
  2. Step 2: Convert to fraction form
    4,429,177.20/6,628,019.40 = 3,074,986.80/x
  3. Step 3: Cross multiply
    4,429,177.20x = 6,628,019.40 × 3,074,986.80
  4. Step 4: Simplify right side
    4,429,177.20x = 20,381,072,165,143.92
  5. Step 5: Solve for x
    x = 20,381,072,165,143.92/4,429,177.20
  6. Step 6: Final answer
    x = 4,601,548.15

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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.