Home / 2,128,074.87-2,936,814.11-1,161,258.19

Finding the Fourth Proportional to 2,128,074.87, 2,936,814.11 and 1,161,258.19

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Solution

The fourth proportional to 2,128,074.87, 2,936,814.11 and 1,161,258.19 is: 1,602,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,074.87 : 2,936,814.11 = 1,161,258.19 : x
  2. Step 2: Convert to fraction form
    2,128,074.87/2,936,814.11 = 1,161,258.19/x
  3. Step 3: Cross multiply
    2,128,074.87x = 2,936,814.11 × 1,161,258.19
  4. Step 4: Simplify right side
    2,128,074.87x = 3,410,399,437,745.06
  5. Step 5: Solve for x
    x = 3,410,399,437,745.06/2,128,074.87
  6. Step 6: Final answer
    x = 1,602,574.93

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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.