Home / 4,752,564.40-7,128,846.60-1,557,794.80

Finding the Fourth Proportional to 4,752,564.40, 7,128,846.60 and 1,557,794.80

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Solution

The fourth proportional to 4,752,564.40, 7,128,846.60 and 1,557,794.80 is: 2,336,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,564.40 : 7,128,846.60 = 1,557,794.80 : x
  2. Step 2: Convert to fraction form
    4,752,564.40/7,128,846.60 = 1,557,794.80/x
  3. Step 3: Cross multiply
    4,752,564.40x = 7,128,846.60 × 1,557,794.80
  4. Step 4: Simplify right side
    4,752,564.40x = 11,105,280,163,477.68
  5. Step 5: Solve for x
    x = 11,105,280,163,477.68/4,752,564.40
  6. Step 6: Final answer
    x = 2,336,692.20

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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.