Home / 3,086,536-4,259,421.84-1,728,440.32

Finding the Fourth Proportional to 3,086,536, 4,259,421.84 and 1,728,440.32

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Solution

The fourth proportional to 3,086,536, 4,259,421.84 and 1,728,440.32 is: 2,385,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,536 : 4,259,421.84 = 1,728,440.32 : x
  2. Step 2: Convert to fraction form
    3,086,536/4,259,421.84 = 1,728,440.32/x
  3. Step 3: Cross multiply
    3,086,536x = 4,259,421.84 × 1,728,440.32
  4. Step 4: Simplify right side
    3,086,536x = 7,362,156,448,144.59
  5. Step 5: Solve for x
    x = 7,362,156,448,144.59/3,086,536
  6. Step 6: Final answer
    x = 2,385,248.85

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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.