Home / 5,113,081.20-7,056,198.60-2,821,389.51

Finding the Fourth Proportional to 5,113,081.20, 7,056,198.60 and 2,821,389.51

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Solution

The fourth proportional to 5,113,081.20, 7,056,198.60 and 2,821,389.51 is: 3,893,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,081.20 : 7,056,198.60 = 2,821,389.51 : x
  2. Step 2: Convert to fraction form
    5,113,081.20/7,056,198.60 = 2,821,389.51/x
  3. Step 3: Cross multiply
    5,113,081.20x = 7,056,198.60 × 2,821,389.51
  4. Step 4: Simplify right side
    5,113,081.20x = 19,908,284,710,516.68
  5. Step 5: Solve for x
    x = 19,908,284,710,516.68/5,113,081.20
  6. Step 6: Final answer
    x = 3,893,598.39

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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.