Home / 6,652,811.20-9,979,216.80-1,604,121.70

Finding the Fourth Proportional to 6,652,811.20, 9,979,216.80 and 1,604,121.70

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Solution

The fourth proportional to 6,652,811.20, 9,979,216.80 and 1,604,121.70 is: 2,406,182.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652,811.20 : 9,979,216.80 = 1,604,121.70 : x
  2. Step 2: Convert to fraction form
    6,652,811.20/9,979,216.80 = 1,604,121.70/x
  3. Step 3: Cross multiply
    6,652,811.20x = 9,979,216.80 × 1,604,121.70
  4. Step 4: Simplify right side
    6,652,811.20x = 16,007,878,217,884.56
  5. Step 5: Solve for x
    x = 16,007,878,217,884.56/6,652,811.20
  6. Step 6: Final answer
    x = 2,406,182.55

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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.