Home / 2,970,804.60-4,099,722.66-1,681,893.72

Finding the Fourth Proportional to 2,970,804.60, 4,099,722.66 and 1,681,893.72

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Solution

The fourth proportional to 2,970,804.60, 4,099,722.66 and 1,681,893.72 is: 2,321,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,804.60 : 4,099,722.66 = 1,681,893.72 : x
  2. Step 2: Convert to fraction form
    2,970,804.60/4,099,722.66 = 1,681,893.72/x
  3. Step 3: Cross multiply
    2,970,804.60x = 4,099,722.66 × 1,681,893.72
  4. Step 4: Simplify right side
    2,970,804.60x = 6,895,297,795,595.70
  5. Step 5: Solve for x
    x = 6,895,297,795,595.70/2,970,804.60
  6. Step 6: Final answer
    x = 2,321,020.30

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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.