Home / 2,877,385.20-3,970,508.96-1,588,142.54

Finding the Fourth Proportional to 2,877,385.20, 3,970,508.96 and 1,588,142.54

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Solution

The fourth proportional to 2,877,385.20, 3,970,508.96 and 1,588,142.54 is: 2,191,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,385.20 : 3,970,508.96 = 1,588,142.54 : x
  2. Step 2: Convert to fraction form
    2,877,385.20/3,970,508.96 = 1,588,142.54/x
  3. Step 3: Cross multiply
    2,877,385.20x = 3,970,508.96 × 1,588,142.54
  4. Step 4: Simplify right side
    2,877,385.20x = 6,305,734,184,827.16
  5. Step 5: Solve for x
    x = 6,305,734,184,827.16/2,877,385.20
  6. Step 6: Final answer
    x = 2,191,480.72

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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.