Home / 2,998,468.80-4,137,984.77-1,640,341.80

Finding the Fourth Proportional to 2,998,468.80, 4,137,984.77 and 1,640,341.80

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Solution

The fourth proportional to 2,998,468.80, 4,137,984.77 and 1,640,341.80 is: 2,263,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,468.80 : 4,137,984.77 = 1,640,341.80 : x
  2. Step 2: Convert to fraction form
    2,998,468.80/4,137,984.77 = 1,640,341.80/x
  3. Step 3: Cross multiply
    2,998,468.80x = 4,137,984.77 × 1,640,341.80
  4. Step 4: Simplify right side
    2,998,468.80x = 6,787,709,385,994.39
  5. Step 5: Solve for x
    x = 6,787,709,385,994.39/2,998,468.80
  6. Step 6: Final answer
    x = 2,263,725.20

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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.