Home / 2,918,329.86-4,384,137.66-2,111,203.85

Finding the Fourth Proportional to 2,918,329.86, 4,384,137.66 and 2,111,203.85

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Solution

The fourth proportional to 2,918,329.86, 4,384,137.66 and 2,111,203.85 is: 3,171,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,329.86 : 4,384,137.66 = 2,111,203.85 : x
  2. Step 2: Convert to fraction form
    2,918,329.86/4,384,137.66 = 2,111,203.85/x
  3. Step 3: Cross multiply
    2,918,329.86x = 4,384,137.66 × 2,111,203.85
  4. Step 4: Simplify right side
    2,918,329.86x = 9,255,808,276,884.29
  5. Step 5: Solve for x
    x = 9,255,808,276,884.29/2,918,329.86
  6. Step 6: Final answer
    x = 3,171,611.40

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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.