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Finding the Fourth Proportional to 2,395,664.40, 3,593,496.60 and 976,738.80

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Solution

The fourth proportional to 2,395,664.40, 3,593,496.60 and 976,738.80 is: 1,465,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395,664.40 : 3,593,496.60 = 976,738.80 : x
  2. Step 2: Convert to fraction form
    2,395,664.40/3,593,496.60 = 976,738.80/x
  3. Step 3: Cross multiply
    2,395,664.40x = 3,593,496.60 × 976,738.80
  4. Step 4: Simplify right side
    2,395,664.40x = 3,509,907,556,888.08
  5. Step 5: Solve for x
    x = 3,509,907,556,888.08/2,395,664.40
  6. Step 6: Final answer
    x = 1,465,108.20

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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.