Home / 5,503,379.36-8,256,533.01-1,909,140.44

Finding the Fourth Proportional to 5,503,379.36, 8,256,533.01 and 1,909,140.44

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Solution

The fourth proportional to 5,503,379.36, 8,256,533.01 and 1,909,140.44 is: 2,864,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503,379.36 : 8,256,533.01 = 1,909,140.44 : x
  2. Step 2: Convert to fraction form
    5,503,379.36/8,256,533.01 = 1,909,140.44/x
  3. Step 3: Cross multiply
    5,503,379.36x = 8,256,533.01 × 1,909,140.44
  4. Step 4: Simplify right side
    5,503,379.36x = 15,762,881,015,143.98
  5. Step 5: Solve for x
    x = 15,762,881,015,143.98/5,503,379.36
  6. Step 6: Final answer
    x = 2,864,218.51

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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.