Home / 2,007,420.77-2,770,243.13-1,089,649.40

Finding the Fourth Proportional to 2,007,420.77, 2,770,243.13 and 1,089,649.40

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Solution

The fourth proportional to 2,007,420.77, 2,770,243.13 and 1,089,649.40 is: 1,503,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,420.77 : 2,770,243.13 = 1,089,649.40 : x
  2. Step 2: Convert to fraction form
    2,007,420.77/2,770,243.13 = 1,089,649.40/x
  3. Step 3: Cross multiply
    2,007,420.77x = 2,770,243.13 × 1,089,649.40
  4. Step 4: Simplify right side
    2,007,420.77x = 3,018,593,753,331.53
  5. Step 5: Solve for x
    x = 3,018,593,753,331.53/2,007,420.77
  6. Step 6: Final answer
    x = 1,503,717.50

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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.