Home / 2,118,302.14-3,175,017.30-978,670.24

Finding the Fourth Proportional to 2,118,302.14, 3,175,017.30 and 978,670.24

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Solution

The fourth proportional to 2,118,302.14, 3,175,017.30 and 978,670.24 is: 1,466,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,302.14 : 3,175,017.30 = 978,670.24 : x
  2. Step 2: Convert to fraction form
    2,118,302.14/3,175,017.30 = 978,670.24/x
  3. Step 3: Cross multiply
    2,118,302.14x = 3,175,017.30 × 978,670.24
  4. Step 4: Simplify right side
    2,118,302.14x = 3,107,294,942,995.15
  5. Step 5: Solve for x
    x = 3,107,294,942,995.15/2,118,302.14
  6. Step 6: Final answer
    x = 1,466,879.95

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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.