Home / 3,820,215.52-5,272,037.58-2,101,466.80

Finding the Fourth Proportional to 3,820,215.52, 5,272,037.58 and 2,101,466.80

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Solution

The fourth proportional to 3,820,215.52, 5,272,037.58 and 2,101,466.80 is: 2,900,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,215.52 : 5,272,037.58 = 2,101,466.80 : x
  2. Step 2: Convert to fraction form
    3,820,215.52/5,272,037.58 = 2,101,466.80/x
  3. Step 3: Cross multiply
    3,820,215.52x = 5,272,037.58 × 2,101,466.80
  4. Step 4: Simplify right side
    3,820,215.52x = 11,079,011,942,722.34
  5. Step 5: Solve for x
    x = 11,079,011,942,722.34/3,820,215.52
  6. Step 6: Final answer
    x = 2,900,101.29

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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.