Home / 5,175,580.77-7,763,370.13-1,389,063.64

Finding the Fourth Proportional to 5,175,580.77, 7,763,370.13 and 1,389,063.64

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Solution

The fourth proportional to 5,175,580.77, 7,763,370.13 and 1,389,063.64 is: 2,083,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,580.77 : 7,763,370.13 = 1,389,063.64 : x
  2. Step 2: Convert to fraction form
    5,175,580.77/7,763,370.13 = 1,389,063.64/x
  3. Step 3: Cross multiply
    5,175,580.77x = 7,763,370.13 × 1,389,063.64
  4. Step 4: Simplify right side
    5,175,580.77x = 10,783,815,164,499.75
  5. Step 5: Solve for x
    x = 10,783,815,164,499.75/5,175,580.77
  6. Step 6: Final answer
    x = 2,083,595.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.