Home / 1,863,930.88-2,570,745.04-1,209,841.76

Finding the Fourth Proportional to 1,863,930.88, 2,570,745.04 and 1,209,841.76

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Solution

The fourth proportional to 1,863,930.88, 2,570,745.04 and 1,209,841.76 is: 1,668,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,930.88 : 2,570,745.04 = 1,209,841.76 : x
  2. Step 2: Convert to fraction form
    1,863,930.88/2,570,745.04 = 1,209,841.76/x
  3. Step 3: Cross multiply
    1,863,930.88x = 2,570,745.04 × 1,209,841.76
  4. Step 4: Simplify right side
    1,863,930.88x = 3,110,194,703,704.87
  5. Step 5: Solve for x
    x = 3,110,194,703,704.87/1,863,930.88
  6. Step 6: Final answer
    x = 1,668,621.27

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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.