Home / 2,124,960.09-3,188,379.18-1,113,840.28

Finding the Fourth Proportional to 2,124,960.09, 3,188,379.18 and 1,113,840.28

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Solution

The fourth proportional to 2,124,960.09, 3,188,379.18 and 1,113,840.28 is: 1,671,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,960.09 : 3,188,379.18 = 1,113,840.28 : x
  2. Step 2: Convert to fraction form
    2,124,960.09/3,188,379.18 = 1,113,840.28/x
  3. Step 3: Cross multiply
    2,124,960.09x = 3,188,379.18 × 1,113,840.28
  4. Step 4: Simplify right side
    2,124,960.09x = 3,551,345,166,759.75
  5. Step 5: Solve for x
    x = 3,551,345,166,759.75/2,124,960.09
  6. Step 6: Final answer
    x = 1,671,252.64

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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.