Home / 1,905,179.22-2,629,155.78-1,045,746.54

Finding the Fourth Proportional to 1,905,179.22, 2,629,155.78 and 1,045,746.54

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Solution

The fourth proportional to 1,905,179.22, 2,629,155.78 and 1,045,746.54 is: 1,443,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,179.22 : 2,629,155.78 = 1,045,746.54 : x
  2. Step 2: Convert to fraction form
    1,905,179.22/2,629,155.78 = 1,045,746.54/x
  3. Step 3: Cross multiply
    1,905,179.22x = 2,629,155.78 × 1,045,746.54
  4. Step 4: Simplify right side
    1,905,179.22x = 2,749,430,560,056.00
  5. Step 5: Solve for x
    x = 2,749,430,560,056.00/1,905,179.22
  6. Step 6: Final answer
    x = 1,443,134.87

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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.