Home / 2,872,657.88-3,964,087.86-1,583,509.40

Finding the Fourth Proportional to 2,872,657.88, 3,964,087.86 and 1,583,509.40

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Solution

The fourth proportional to 2,872,657.88, 3,964,087.86 and 1,583,509.40 is: 2,185,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,657.88 : 3,964,087.86 = 1,583,509.40 : x
  2. Step 2: Convert to fraction form
    2,872,657.88/3,964,087.86 = 1,583,509.40/x
  3. Step 3: Cross multiply
    2,872,657.88x = 3,964,087.86 × 1,583,509.40
  4. Step 4: Simplify right side
    2,872,657.88x = 6,277,170,388,735.88
  5. Step 5: Solve for x
    x = 6,277,170,388,735.88/2,872,657.88
  6. Step 6: Final answer
    x = 2,185,143.74

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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.