Home / 2,802,511.67-3,867,477.91-1,578,831.86

Finding the Fourth Proportional to 2,802,511.67, 3,867,477.91 and 1,578,831.86

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Solution

The fourth proportional to 2,802,511.67, 3,867,477.91 and 1,578,831.86 is: 2,178,794.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802,511.67 : 3,867,477.91 = 1,578,831.86 : x
  2. Step 2: Convert to fraction form
    2,802,511.67/3,867,477.91 = 1,578,831.86/x
  3. Step 3: Cross multiply
    2,802,511.67x = 3,867,477.91 × 1,578,831.86
  4. Step 4: Simplify right side
    2,802,511.67x = 6,106,097,326,121.27
  5. Step 5: Solve for x
    x = 6,106,097,326,121.27/2,802,511.67
  6. Step 6: Final answer
    x = 2,178,794.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.