Home / 3,819,900-5,271,561.72-2,101,065.60

Finding the Fourth Proportional to 3,819,900, 5,271,561.72 and 2,101,065.60

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Solution

The fourth proportional to 3,819,900, 5,271,561.72 and 2,101,065.60 is: 2,899,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,900 : 5,271,561.72 = 2,101,065.60 : x
  2. Step 2: Convert to fraction form
    3,819,900/5,271,561.72 = 2,101,065.60/x
  3. Step 3: Cross multiply
    3,819,900x = 5,271,561.72 × 2,101,065.60
  4. Step 4: Simplify right side
    3,819,900x = 11,075,896,988,168.83
  5. Step 5: Solve for x
    x = 11,075,896,988,168.83/3,819,900
  6. Step 6: Final answer
    x = 2,899,525.38

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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.