Home / 2,998,440.66-4,137,880.77-1,640,284.50

Finding the Fourth Proportional to 2,998,440.66, 4,137,880.77 and 1,640,284.50

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Solution

The fourth proportional to 2,998,440.66, 4,137,880.77 and 1,640,284.50 is: 2,263,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,440.66 : 4,137,880.77 = 1,640,284.50 : x
  2. Step 2: Convert to fraction form
    2,998,440.66/4,137,880.77 = 1,640,284.50/x
  3. Step 3: Cross multiply
    2,998,440.66x = 4,137,880.77 × 1,640,284.50
  4. Step 4: Simplify right side
    2,998,440.66x = 6,787,301,689,879.07
  5. Step 5: Solve for x
    x = 6,787,301,689,879.07/2,998,440.66
  6. Step 6: Final answer
    x = 2,263,610.48

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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.