Home / 2,550,776.53-3,520,320.25-1,905,075.72

Finding the Fourth Proportional to 2,550,776.53, 3,520,320.25 and 1,905,075.72

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Solution

The fourth proportional to 2,550,776.53, 3,520,320.25 and 1,905,075.72 is: 2,629,190.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550,776.53 : 3,520,320.25 = 1,905,075.72 : x
  2. Step 2: Convert to fraction form
    2,550,776.53/3,520,320.25 = 1,905,075.72/x
  3. Step 3: Cross multiply
    2,550,776.53x = 3,520,320.25 × 1,905,075.72
  4. Step 4: Simplify right side
    2,550,776.53x = 6,706,476,625,373.95
  5. Step 5: Solve for x
    x = 6,706,476,625,373.95/2,550,776.53
  6. Step 6: Final answer
    x = 2,629,190.19

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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.