Home / 3,620,998.37-4,997,065.83-1,989,511.56

Finding the Fourth Proportional to 3,620,998.37, 4,997,065.83 and 1,989,511.56

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Solution

The fourth proportional to 3,620,998.37, 4,997,065.83 and 1,989,511.56 is: 2,745,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,998.37 : 4,997,065.83 = 1,989,511.56 : x
  2. Step 2: Convert to fraction form
    3,620,998.37/4,997,065.83 = 1,989,511.56/x
  3. Step 3: Cross multiply
    3,620,998.37x = 4,997,065.83 × 1,989,511.56
  4. Step 4: Simplify right side
    3,620,998.37x = 9,941,720,234,866.00
  5. Step 5: Solve for x
    x = 9,941,720,234,866.00/3,620,998.37
  6. Step 6: Final answer
    x = 2,745,574.35

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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.