Home / 2,519,322.40-3,778,983.60-921,937.60

Finding the Fourth Proportional to 2,519,322.40, 3,778,983.60 and 921,937.60

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Solution

The fourth proportional to 2,519,322.40, 3,778,983.60 and 921,937.60 is: 1,382,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,322.40 : 3,778,983.60 = 921,937.60 : x
  2. Step 2: Convert to fraction form
    2,519,322.40/3,778,983.60 = 921,937.60/x
  3. Step 3: Cross multiply
    2,519,322.40x = 3,778,983.60 × 921,937.60
  4. Step 4: Simplify right side
    2,519,322.40x = 3,483,987,070,623.36
  5. Step 5: Solve for x
    x = 3,483,987,070,623.36/2,519,322.40
  6. Step 6: Final answer
    x = 1,382,906.40

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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.