Home / 5,388,021.20-8,087,936.70-3,368,545.40

Finding the Fourth Proportional to 5,388,021.20, 8,087,936.70 and 3,368,545.40

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Solution

The fourth proportional to 5,388,021.20, 8,087,936.70 and 3,368,545.40 is: 5,056,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,021.20 : 8,087,936.70 = 3,368,545.40 : x
  2. Step 2: Convert to fraction form
    5,388,021.20/8,087,936.70 = 3,368,545.40/x
  3. Step 3: Cross multiply
    5,388,021.20x = 8,087,936.70 × 3,368,545.40
  4. Step 4: Simplify right side
    5,388,021.20x = 27,244,581,966,276.18
  5. Step 5: Solve for x
    x = 27,244,581,966,276.18/5,388,021.20
  6. Step 6: Final answer
    x = 5,056,509.79

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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.