Home / 2,191,383.05-3,024,050.60-1,224,521.28

Finding the Fourth Proportional to 2,191,383.05, 3,024,050.60 and 1,224,521.28

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Solution

The fourth proportional to 2,191,383.05, 3,024,050.60 and 1,224,521.28 is: 1,689,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,383.05 : 3,024,050.60 = 1,224,521.28 : x
  2. Step 2: Convert to fraction form
    2,191,383.05/3,024,050.60 = 1,224,521.28/x
  3. Step 3: Cross multiply
    2,191,383.05x = 3,024,050.60 × 1,224,521.28
  4. Step 4: Simplify right side
    2,191,383.05x = 3,703,014,314,558.07
  5. Step 5: Solve for x
    x = 3,703,014,314,558.07/2,191,383.05
  6. Step 6: Final answer
    x = 1,689,806.96

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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.