Home / 2,781,447.77-3,837,959.48-1,620,085.16

Finding the Fourth Proportional to 2,781,447.77, 3,837,959.48 and 1,620,085.16

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Solution

The fourth proportional to 2,781,447.77, 3,837,959.48 and 1,620,085.16 is: 2,235,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,447.77 : 3,837,959.48 = 1,620,085.16 : x
  2. Step 2: Convert to fraction form
    2,781,447.77/3,837,959.48 = 1,620,085.16/x
  3. Step 3: Cross multiply
    2,781,447.77x = 3,837,959.48 × 1,620,085.16
  4. Step 4: Simplify right side
    2,781,447.77x = 6,217,821,170,939.09
  5. Step 5: Solve for x
    x = 6,217,821,170,939.09/2,781,447.77
  6. Step 6: Final answer
    x = 2,235,462.14

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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.