Home / 1,929,648.58-2,663,078.57-1,070,485.63

Finding the Fourth Proportional to 1,929,648.58, 2,663,078.57 and 1,070,485.63

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Solution

The fourth proportional to 1,929,648.58, 2,663,078.57 and 1,070,485.63 is: 1,477,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,648.58 : 2,663,078.57 = 1,070,485.63 : x
  2. Step 2: Convert to fraction form
    1,929,648.58/2,663,078.57 = 1,070,485.63/x
  3. Step 3: Cross multiply
    1,929,648.58x = 2,663,078.57 × 1,070,485.63
  4. Step 4: Simplify right side
    1,929,648.58x = 2,850,787,340,745.95
  5. Step 5: Solve for x
    x = 2,850,787,340,745.95/1,929,648.58
  6. Step 6: Final answer
    x = 1,477,360.89

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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.