Home / 6,221,281.78-9,328,545.76-2,805,571.86

Finding the Fourth Proportional to 6,221,281.78, 9,328,545.76 and 2,805,571.86

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Solution

The fourth proportional to 6,221,281.78, 9,328,545.76 and 2,805,571.86 is: 4,206,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221,281.78 : 9,328,545.76 = 2,805,571.86 : x
  2. Step 2: Convert to fraction form
    6,221,281.78/9,328,545.76 = 2,805,571.86/x
  3. Step 3: Cross multiply
    6,221,281.78x = 9,328,545.76 × 2,805,571.86
  4. Step 4: Simplify right side
    6,221,281.78x = 26,171,905,478,978.31
  5. Step 5: Solve for x
    x = 26,171,905,478,978.31/6,221,281.78
  6. Step 6: Final answer
    x = 4,206,834.93

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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.