Home / 2,190,865.32-3,023,455.82-1,224,101.97

Finding the Fourth Proportional to 2,190,865.32, 3,023,455.82 and 1,224,101.97

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Solution

The fourth proportional to 2,190,865.32, 3,023,455.82 and 1,224,101.97 is: 1,689,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,865.32 : 3,023,455.82 = 1,224,101.97 : x
  2. Step 2: Convert to fraction form
    2,190,865.32/3,023,455.82 = 1,224,101.97/x
  3. Step 3: Cross multiply
    2,190,865.32x = 3,023,455.82 × 1,224,101.97
  4. Step 4: Simplify right side
    2,190,865.32x = 3,701,018,219,349.46
  5. Step 5: Solve for x
    x = 3,701,018,219,349.46/2,190,865.32
  6. Step 6: Final answer
    x = 1,689,295.18

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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.