Home / 2,002,075.57-2,762,914.80-1,228,133.18

Finding the Fourth Proportional to 2,002,075.57, 2,762,914.80 and 1,228,133.18

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Solution

The fourth proportional to 2,002,075.57, 2,762,914.80 and 1,228,133.18 is: 1,694,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002,075.57 : 2,762,914.80 = 1,228,133.18 : x
  2. Step 2: Convert to fraction form
    2,002,075.57/2,762,914.80 = 1,228,133.18/x
  3. Step 3: Cross multiply
    2,002,075.57x = 2,762,914.80 × 1,228,133.18
  4. Step 4: Simplify right side
    2,002,075.57x = 3,393,227,319,437.82
  5. Step 5: Solve for x
    x = 3,393,227,319,437.82/2,002,075.57
  6. Step 6: Final answer
    x = 1,694,854.76

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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.