Home / 3,409,012.89-5,115,473.06-1,386,883.53

Finding the Fourth Proportional to 3,409,012.89, 5,115,473.06 and 1,386,883.53

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Solution

The fourth proportional to 3,409,012.89, 5,115,473.06 and 1,386,883.53 is: 2,081,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409,012.89 : 5,115,473.06 = 1,386,883.53 : x
  2. Step 2: Convert to fraction form
    3,409,012.89/5,115,473.06 = 1,386,883.53/x
  3. Step 3: Cross multiply
    3,409,012.89x = 5,115,473.06 × 1,386,883.53
  4. Step 4: Simplify right side
    3,409,012.89x = 7,094,565,328,138.28
  5. Step 5: Solve for x
    x = 7,094,565,328,138.28/3,409,012.89
  6. Step 6: Final answer
    x = 2,081,120.12

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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.