Home / 3,937,922.28-5,907,009.78-1,242,272.52

Finding the Fourth Proportional to 3,937,922.28, 5,907,009.78 and 1,242,272.52

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Solution

The fourth proportional to 3,937,922.28, 5,907,009.78 and 1,242,272.52 is: 1,863,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,922.28 : 5,907,009.78 = 1,242,272.52 : x
  2. Step 2: Convert to fraction form
    3,937,922.28/5,907,009.78 = 1,242,272.52/x
  3. Step 3: Cross multiply
    3,937,922.28x = 5,907,009.78 × 1,242,272.52
  4. Step 4: Simplify right side
    3,937,922.28x = 7,338,115,925,065.25
  5. Step 5: Solve for x
    x = 7,338,115,925,065.25/3,937,922.28
  6. Step 6: Final answer
    x = 1,863,448.64

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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.