Home / 1,905,133.80-2,629,075.41-1,045,708.68

Finding the Fourth Proportional to 1,905,133.80, 2,629,075.41 and 1,045,708.68

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Solution

The fourth proportional to 1,905,133.80, 2,629,075.41 and 1,045,708.68 is: 1,443,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,133.80 : 2,629,075.41 = 1,045,708.68 : x
  2. Step 2: Convert to fraction form
    1,905,133.80/2,629,075.41 = 1,045,708.68/x
  3. Step 3: Cross multiply
    1,905,133.80x = 2,629,075.41 × 1,045,708.68
  4. Step 4: Simplify right side
    1,905,133.80x = 2,749,246,976,611.56
  5. Step 5: Solve for x
    x = 2,749,246,976,611.56/1,905,133.80
  6. Step 6: Final answer
    x = 1,443,072.91

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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.