Home / 3,017,091.85-4,163,603.72-1,640,449.06

Finding the Fourth Proportional to 3,017,091.85, 4,163,603.72 and 1,640,449.06

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Solution

The fourth proportional to 3,017,091.85, 4,163,603.72 and 1,640,449.06 is: 2,263,828.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017,091.85 : 4,163,603.72 = 1,640,449.06 : x
  2. Step 2: Convert to fraction form
    3,017,091.85/4,163,603.72 = 1,640,449.06/x
  3. Step 3: Cross multiply
    3,017,091.85x = 4,163,603.72 × 1,640,449.06
  4. Step 4: Simplify right side
    3,017,091.85x = 6,830,179,790,075.25
  5. Step 5: Solve for x
    x = 6,830,179,790,075.25/3,017,091.85
  6. Step 6: Final answer
    x = 2,263,828.92

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1.5x scale

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.