Home / 1,939,773.56-2,676,970.22-1,080,333.81

Finding the Fourth Proportional to 1,939,773.56, 2,676,970.22 and 1,080,333.81

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Solution

The fourth proportional to 1,939,773.56, 2,676,970.22 and 1,080,333.81 is: 1,490,906.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,773.56 : 2,676,970.22 = 1,080,333.81 : x
  2. Step 2: Convert to fraction form
    1,939,773.56/2,676,970.22 = 1,080,333.81/x
  3. Step 3: Cross multiply
    1,939,773.56x = 2,676,970.22 × 1,080,333.81
  4. Step 4: Simplify right side
    1,939,773.56x = 2,892,021,431,627.47
  5. Step 5: Solve for x
    x = 2,892,021,431,627.47/1,939,773.56
  6. Step 6: Final answer
    x = 1,490,906.72

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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.