Home / 2,171,197.55-3,256,804.70-908,139.17

Finding the Fourth Proportional to 2,171,197.55, 3,256,804.70 and 908,139.17

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Solution

The fourth proportional to 2,171,197.55, 3,256,804.70 and 908,139.17 is: 1,362,212.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,197.55 : 3,256,804.70 = 908,139.17 : x
  2. Step 2: Convert to fraction form
    2,171,197.55/3,256,804.70 = 908,139.17/x
  3. Step 3: Cross multiply
    2,171,197.55x = 3,256,804.70 × 908,139.17
  4. Step 4: Simplify right side
    2,171,197.55x = 2,957,631,912,569.40
  5. Step 5: Solve for x
    x = 2,957,631,912,569.40/2,171,197.55
  6. Step 6: Final answer
    x = 1,362,212.26

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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.