Home / 2,495,436.80-3,743,143.05-978,047.60

Finding the Fourth Proportional to 2,495,436.80, 3,743,143.05 and 978,047.60

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Solution

The fourth proportional to 2,495,436.80, 3,743,143.05 and 978,047.60 is: 1,467,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495,436.80 : 3,743,143.05 = 978,047.60 : x
  2. Step 2: Convert to fraction form
    2,495,436.80/3,743,143.05 = 978,047.60/x
  3. Step 3: Cross multiply
    2,495,436.80x = 3,743,143.05 × 978,047.60
  4. Step 4: Simplify right side
    2,495,436.80x = 3,660,972,076,509.18
  5. Step 5: Solve for x
    x = 3,660,972,076,509.18/2,495,436.80
  6. Step 6: Final answer
    x = 1,467,066.64

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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.