Home / 3,057,765.12-4,219,718.58-1,681,132.32

Finding the Fourth Proportional to 3,057,765.12, 4,219,718.58 and 1,681,132.32

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Solution

The fourth proportional to 3,057,765.12, 4,219,718.58 and 1,681,132.32 is: 2,319,964.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057,765.12 : 4,219,718.58 = 1,681,132.32 : x
  2. Step 2: Convert to fraction form
    3,057,765.12/4,219,718.58 = 1,681,132.32/x
  3. Step 3: Cross multiply
    3,057,765.12x = 4,219,718.58 × 1,681,132.32
  4. Step 4: Simplify right side
    3,057,765.12x = 7,093,905,286,142.51
  5. Step 5: Solve for x
    x = 7,093,905,286,142.51/3,057,765.12
  6. Step 6: Final answer
    x = 2,319,964.09

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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.