Home / 1,920,028.64-2,649,622.56-1,060,648.64

Finding the Fourth Proportional to 1,920,028.64, 2,649,622.56 and 1,060,648.64

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Solution

The fourth proportional to 1,920,028.64, 2,649,622.56 and 1,060,648.64 is: 1,463,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,028.64 : 2,649,622.56 = 1,060,648.64 : x
  2. Step 2: Convert to fraction form
    1,920,028.64/2,649,622.56 = 1,060,648.64/x
  3. Step 3: Cross multiply
    1,920,028.64x = 2,649,622.56 × 1,060,648.64
  4. Step 4: Simplify right side
    1,920,028.64x = 2,810,318,564,777.32
  5. Step 5: Solve for x
    x = 2,810,318,564,777.32/1,920,028.64
  6. Step 6: Final answer
    x = 1,463,685.75

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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.