Home / 3,145,102.08-4,340,392.32-1,768,876.80

Finding the Fourth Proportional to 3,145,102.08, 4,340,392.32 and 1,768,876.80

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Solution

The fourth proportional to 3,145,102.08, 4,340,392.32 and 1,768,876.80 is: 2,441,135.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,102.08 : 4,340,392.32 = 1,768,876.80 : x
  2. Step 2: Convert to fraction form
    3,145,102.08/4,340,392.32 = 1,768,876.80/x
  3. Step 3: Cross multiply
    3,145,102.08x = 4,340,392.32 × 1,768,876.80
  4. Step 4: Simplify right side
    3,145,102.08x = 7,677,619,277,746.18
  5. Step 5: Solve for x
    x = 7,677,619,277,746.18/3,145,102.08
  6. Step 6: Final answer
    x = 2,441,135.16

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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.