Home / 1,987,704.16-2,977,794.60-1,175,656.48

Finding the Fourth Proportional to 1,987,704.16, 2,977,794.60 and 1,175,656.48

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Solution

The fourth proportional to 1,987,704.16, 2,977,794.60 and 1,175,656.48 is: 1,761,259.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,704.16 : 2,977,794.60 = 1,175,656.48 : x
  2. Step 2: Convert to fraction form
    1,987,704.16/2,977,794.60 = 1,175,656.48/x
  3. Step 3: Cross multiply
    1,987,704.16x = 2,977,794.60 × 1,175,656.48
  4. Step 4: Simplify right side
    1,987,704.16x = 3,500,863,517,599.01
  5. Step 5: Solve for x
    x = 3,500,863,517,599.01/1,987,704.16
  6. Step 6: Final answer
    x = 1,761,259.84

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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.