Home / 3,213,852.80-4,437,194.47-1,991,455.52

Finding the Fourth Proportional to 3,213,852.80, 4,437,194.47 and 1,991,455.52

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Solution

The fourth proportional to 3,213,852.80, 4,437,194.47 and 1,991,455.52 is: 2,749,496.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,852.80 : 4,437,194.47 = 1,991,455.52 : x
  2. Step 2: Convert to fraction form
    3,213,852.80/4,437,194.47 = 1,991,455.52/x
  3. Step 3: Cross multiply
    3,213,852.80x = 4,437,194.47 × 1,991,455.52
  4. Step 4: Simplify right side
    3,213,852.80x = 8,836,475,393,430.36
  5. Step 5: Solve for x
    x = 8,836,475,393,430.36/3,213,852.80
  6. Step 6: Final answer
    x = 2,749,496.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.