Home / 2,130,203.78-2,939,704.60-1,163,362.52

Finding the Fourth Proportional to 2,130,203.78, 2,939,704.60 and 1,163,362.52

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Solution

The fourth proportional to 2,130,203.78, 2,939,704.60 and 1,163,362.52 is: 1,605,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,203.78 : 2,939,704.60 = 1,163,362.52 : x
  2. Step 2: Convert to fraction form
    2,130,203.78/2,939,704.60 = 1,163,362.52/x
  3. Step 3: Cross multiply
    2,130,203.78x = 2,939,704.60 × 1,163,362.52
  4. Step 4: Simplify right side
    2,130,203.78x = 3,419,942,151,511.59
  5. Step 5: Solve for x
    x = 3,419,942,151,511.59/2,130,203.78
  6. Step 6: Final answer
    x = 1,605,453.05

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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.