Home / 4,638,556.16-6,401,907.20-2,828,769.92

Finding the Fourth Proportional to 4,638,556.16, 6,401,907.20 and 2,828,769.92

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Solution

The fourth proportional to 4,638,556.16, 6,401,907.20 and 2,828,769.92 is: 3,904,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638,556.16 : 6,401,907.20 = 2,828,769.92 : x
  2. Step 2: Convert to fraction form
    4,638,556.16/6,401,907.20 = 2,828,769.92/x
  3. Step 3: Cross multiply
    4,638,556.16x = 6,401,907.20 × 2,828,769.92
  4. Step 4: Simplify right side
    4,638,556.16x = 18,109,522,517,991.43
  5. Step 5: Solve for x
    x = 18,109,522,517,991.43/4,638,556.16
  6. Step 6: Final answer
    x = 3,904,129.19

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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.