Home / 3,190,587.06-4,402,222.92-1,949,880.90

Finding the Fourth Proportional to 3,190,587.06, 4,402,222.92 and 1,949,880.90

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Solution

The fourth proportional to 3,190,587.06, 4,402,222.92 and 1,949,880.90 is: 2,690,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,587.06 : 4,402,222.92 = 1,949,880.90 : x
  2. Step 2: Convert to fraction form
    3,190,587.06/4,402,222.92 = 1,949,880.90/x
  3. Step 3: Cross multiply
    3,190,587.06x = 4,402,222.92 × 1,949,880.90
  4. Step 4: Simplify right side
    3,190,587.06x = 8,583,810,389,250.23
  5. Step 5: Solve for x
    x = 8,583,810,389,250.23/3,190,587.06
  6. Step 6: Final answer
    x = 2,690,354.54

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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.