Home / 3,608,784.19-4,980,122.05-1,977,253.36

Finding the Fourth Proportional to 3,608,784.19, 4,980,122.05 and 1,977,253.36

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Solution

The fourth proportional to 3,608,784.19, 4,980,122.05 and 1,977,253.36 is: 2,728,609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,784.19 : 4,980,122.05 = 1,977,253.36 : x
  2. Step 2: Convert to fraction form
    3,608,784.19/4,980,122.05 = 1,977,253.36/x
  3. Step 3: Cross multiply
    3,608,784.19x = 4,980,122.05 × 1,977,253.36
  4. Step 4: Simplify right side
    3,608,784.19x = 9,846,963,056,572.59
  5. Step 5: Solve for x
    x = 9,846,963,056,572.59/3,608,784.19
  6. Step 6: Final answer
    x = 2,728,609.56

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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.