Home / 5,188,000.80-7,791,332.40-3,769,658.40

Finding the Fourth Proportional to 5,188,000.80, 7,791,332.40 and 3,769,658.40

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Solution

The fourth proportional to 5,188,000.80, 7,791,332.40 and 3,769,658.40 is: 5,661,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,000.80 : 7,791,332.40 = 3,769,658.40 : x
  2. Step 2: Convert to fraction form
    5,188,000.80/7,791,332.40 = 3,769,658.40/x
  3. Step 3: Cross multiply
    5,188,000.80x = 7,791,332.40 × 3,769,658.40
  4. Step 4: Simplify right side
    5,188,000.80x = 29,370,661,628,852.16
  5. Step 5: Solve for x
    x = 29,370,661,628,852.16/5,188,000.80
  6. Step 6: Final answer
    x = 5,661,267.75

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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.