Home / 5,211,029.80-7,816,544.70-3,419,439.40

Finding the Fourth Proportional to 5,211,029.80, 7,816,544.70 and 3,419,439.40

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Solution

The fourth proportional to 5,211,029.80, 7,816,544.70 and 3,419,439.40 is: 5,129,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211,029.80 : 7,816,544.70 = 3,419,439.40 : x
  2. Step 2: Convert to fraction form
    5,211,029.80/7,816,544.70 = 3,419,439.40/x
  3. Step 3: Cross multiply
    5,211,029.80x = 7,816,544.70 × 3,419,439.40
  4. Step 4: Simplify right side
    5,211,029.80x = 26,728,200,919,041.18
  5. Step 5: Solve for x
    x = 26,728,200,919,041.18/5,211,029.80
  6. Step 6: Final answer
    x = 5,129,159.10

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1.5x scale

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.