Home / 2,003,762.40-2,999,738.70-1,330,603.80

Finding the Fourth Proportional to 2,003,762.40, 2,999,738.70 and 1,330,603.80

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Solution

The fourth proportional to 2,003,762.40, 2,999,738.70 and 1,330,603.80 is: 1,991,984.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003,762.40 : 2,999,738.70 = 1,330,603.80 : x
  2. Step 2: Convert to fraction form
    2,003,762.40/2,999,738.70 = 1,330,603.80/x
  3. Step 3: Cross multiply
    2,003,762.40x = 2,999,738.70 × 1,330,603.80
  4. Step 4: Simplify right side
    2,003,762.40x = 3,991,463,713,227.06
  5. Step 5: Solve for x
    x = 3,991,463,713,227.06/2,003,762.40
  6. Step 6: Final answer
    x = 1,991,984.54

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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.