Home / 3,963,217.20-5,940,669.96-1,938,666.48

Finding the Fourth Proportional to 3,963,217.20, 5,940,669.96 and 1,938,666.48

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Solution

The fourth proportional to 3,963,217.20, 5,940,669.96 and 1,938,666.48 is: 2,905,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963,217.20 : 5,940,669.96 = 1,938,666.48 : x
  2. Step 2: Convert to fraction form
    3,963,217.20/5,940,669.96 = 1,938,666.48/x
  3. Step 3: Cross multiply
    3,963,217.20x = 5,940,669.96 × 1,938,666.48
  4. Step 4: Simplify right side
    3,963,217.20x = 11,516,977,720,194.94
  5. Step 5: Solve for x
    x = 11,516,977,720,194.94/3,963,217.20
  6. Step 6: Final answer
    x = 2,905,966.83

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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.