Home / 2,938,778.69-4,409,436.49-1,519,831.22

Finding the Fourth Proportional to 2,938,778.69, 4,409,436.49 and 1,519,831.22

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Solution

The fourth proportional to 2,938,778.69, 4,409,436.49 and 1,519,831.22 is: 2,280,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,778.69 : 4,409,436.49 = 1,519,831.22 : x
  2. Step 2: Convert to fraction form
    2,938,778.69/4,409,436.49 = 1,519,831.22/x
  3. Step 3: Cross multiply
    2,938,778.69x = 4,409,436.49 × 1,519,831.22
  4. Step 4: Simplify right side
    2,938,778.69x = 6,701,599,214,262.46
  5. Step 5: Solve for x
    x = 6,701,599,214,262.46/2,938,778.69
  6. Step 6: Final answer
    x = 2,280,402.82

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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.