Home / 3,190,647.60-4,402,305.72-1,949,941.44

Finding the Fourth Proportional to 3,190,647.60, 4,402,305.72 and 1,949,941.44

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Solution

The fourth proportional to 3,190,647.60, 4,402,305.72 and 1,949,941.44 is: 2,690,437.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,647.60 : 4,402,305.72 = 1,949,941.44 : x
  2. Step 2: Convert to fraction form
    3,190,647.60/4,402,305.72 = 1,949,941.44/x
  3. Step 3: Cross multiply
    3,190,647.60x = 4,402,305.72 × 1,949,941.44
  4. Step 4: Simplify right side
    3,190,647.60x = 8,584,238,354,977.04
  5. Step 5: Solve for x
    x = 8,584,238,354,977.04/3,190,647.60
  6. Step 6: Final answer
    x = 2,690,437.63

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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.