Home / 3,418,047.72-4,717,485.84-1,968,582.32

Finding the Fourth Proportional to 3,418,047.72, 4,717,485.84 and 1,968,582.32

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Solution

The fourth proportional to 3,418,047.72, 4,717,485.84 and 1,968,582.32 is: 2,716,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,047.72 : 4,717,485.84 = 1,968,582.32 : x
  2. Step 2: Convert to fraction form
    3,418,047.72/4,717,485.84 = 1,968,582.32/x
  3. Step 3: Cross multiply
    3,418,047.72x = 4,717,485.84 × 1,968,582.32
  4. Step 4: Simplify right side
    3,418,047.72x = 9,286,759,195,886.92
  5. Step 5: Solve for x
    x = 9,286,759,195,886.92/3,418,047.72
  6. Step 6: Final answer
    x = 2,716,977.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.