Home / 2,916,428.72-4,024,682.76-1,627,323.44

Finding the Fourth Proportional to 2,916,428.72, 4,024,682.76 and 1,627,323.44

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Solution

The fourth proportional to 2,916,428.72, 4,024,682.76 and 1,627,323.44 is: 2,245,712.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,428.72 : 4,024,682.76 = 1,627,323.44 : x
  2. Step 2: Convert to fraction form
    2,916,428.72/4,024,682.76 = 1,627,323.44/x
  3. Step 3: Cross multiply
    2,916,428.72x = 4,024,682.76 × 1,627,323.44
  4. Step 4: Simplify right side
    2,916,428.72x = 6,549,460,593,911.89
  5. Step 5: Solve for x
    x = 6,549,460,593,911.89/2,916,428.72
  6. Step 6: Final answer
    x = 2,245,712.56

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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.