Home / 3,622,795.57-4,999,572.21-1,991,329.11

Finding the Fourth Proportional to 3,622,795.57, 4,999,572.21 and 1,991,329.11

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Solution

The fourth proportional to 3,622,795.57, 4,999,572.21 and 1,991,329.11 is: 2,748,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,795.57 : 4,999,572.21 = 1,991,329.11 : x
  2. Step 2: Convert to fraction form
    3,622,795.57/4,999,572.21 = 1,991,329.11/x
  3. Step 3: Cross multiply
    3,622,795.57x = 4,999,572.21 × 1,991,329.11
  4. Step 4: Simplify right side
    3,622,795.57x = 9,955,793,686,787.52
  5. Step 5: Solve for x
    x = 9,955,793,686,787.52/3,622,795.57
  6. Step 6: Final answer
    x = 2,748,097.01

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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.