Home / 3,525,126.80-5,289,072.60-1,281,491.60

Finding the Fourth Proportional to 3,525,126.80, 5,289,072.60 and 1,281,491.60

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Solution

The fourth proportional to 3,525,126.80, 5,289,072.60 and 1,281,491.60 is: 1,922,739.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525,126.80 : 5,289,072.60 = 1,281,491.60 : x
  2. Step 2: Convert to fraction form
    3,525,126.80/5,289,072.60 = 1,281,491.60/x
  3. Step 3: Cross multiply
    3,525,126.80x = 5,289,072.60 × 1,281,491.60
  4. Step 4: Simplify right side
    3,525,126.80x = 6,777,902,108,690.16
  5. Step 5: Solve for x
    x = 6,777,902,108,690.16/3,525,126.80
  6. Step 6: Final answer
    x = 1,922,739.94

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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.