Home / 4,832,128.20-7,240,319.10-3,556,669.80

Finding the Fourth Proportional to 4,832,128.20, 7,240,319.10 and 3,556,669.80

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Solution

The fourth proportional to 4,832,128.20, 7,240,319.10 and 3,556,669.80 is: 5,329,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,832,128.20 : 7,240,319.10 = 3,556,669.80 : x
  2. Step 2: Convert to fraction form
    4,832,128.20/7,240,319.10 = 3,556,669.80/x
  3. Step 3: Cross multiply
    4,832,128.20x = 7,240,319.10 × 3,556,669.80
  4. Step 4: Simplify right side
    4,832,128.20x = 25,751,424,285,333.18
  5. Step 5: Solve for x
    x = 25,751,424,285,333.18/4,832,128.20
  6. Step 6: Final answer
    x = 5,329,209.66

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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.