Home / 3,318,453.51-4,977,680.31-1,897,512.90

Finding the Fourth Proportional to 3,318,453.51, 4,977,680.31 and 1,897,512.90

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Solution

The fourth proportional to 3,318,453.51, 4,977,680.31 and 1,897,512.90 is: 2,846,269.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,453.51 : 4,977,680.31 = 1,897,512.90 : x
  2. Step 2: Convert to fraction form
    3,318,453.51/4,977,680.31 = 1,897,512.90/x
  3. Step 3: Cross multiply
    3,318,453.51x = 4,977,680.31 × 1,897,512.90
  4. Step 4: Simplify right side
    3,318,453.51x = 9,445,212,600,301.00
  5. Step 5: Solve for x
    x = 9,445,212,600,301.00/3,318,453.51
  6. Step 6: Final answer
    x = 2,846,269.38

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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.