Home / 1,879,128.72-2,593,204.80-1,019,688.96

Finding the Fourth Proportional to 1,879,128.72, 2,593,204.80 and 1,019,688.96

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Solution

The fourth proportional to 1,879,128.72, 2,593,204.80 and 1,019,688.96 is: 1,407,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,128.72 : 2,593,204.80 = 1,019,688.96 : x
  2. Step 2: Convert to fraction form
    1,879,128.72/2,593,204.80 = 1,019,688.96/x
  3. Step 3: Cross multiply
    1,879,128.72x = 2,593,204.80 × 1,019,688.96
  4. Step 4: Simplify right side
    1,879,128.72x = 2,644,262,305,579.01
  5. Step 5: Solve for x
    x = 2,644,262,305,579.01/1,879,128.72
  6. Step 6: Final answer
    x = 1,407,174.65

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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.