Home / 1,939,283.45-2,676,156.26-1,056,212.54

Finding the Fourth Proportional to 1,939,283.45, 2,676,156.26 and 1,056,212.54

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Solution

The fourth proportional to 1,939,283.45, 2,676,156.26 and 1,056,212.54 is: 1,457,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,283.45 : 2,676,156.26 = 1,056,212.54 : x
  2. Step 2: Convert to fraction form
    1,939,283.45/2,676,156.26 = 1,056,212.54/x
  3. Step 3: Cross multiply
    1,939,283.45x = 2,676,156.26 × 1,056,212.54
  4. Step 4: Simplify right side
    1,939,283.45x = 2,826,589,782,149.66
  5. Step 5: Solve for x
    x = 2,826,589,782,149.66/1,939,283.45
  6. Step 6: Final answer
    x = 1,457,543.40

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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.