Home / 4,752,284.80-7,128,427.20-1,557,515.20

Finding the Fourth Proportional to 4,752,284.80, 7,128,427.20 and 1,557,515.20

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Solution

The fourth proportional to 4,752,284.80, 7,128,427.20 and 1,557,515.20 is: 2,336,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,284.80 : 7,128,427.20 = 1,557,515.20 : x
  2. Step 2: Convert to fraction form
    4,752,284.80/7,128,427.20 = 1,557,515.20/x
  3. Step 3: Cross multiply
    4,752,284.80x = 7,128,427.20 × 1,557,515.20
  4. Step 4: Simplify right side
    4,752,284.80x = 11,102,633,716,093.44
  5. Step 5: Solve for x
    x = 11,102,633,716,093.44/4,752,284.80
  6. Step 6: Final answer
    x = 2,336,272.80

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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.