Home / 2,769,796.40-4,155,018.60-876,729.20

Finding the Fourth Proportional to 2,769,796.40, 4,155,018.60 and 876,729.20

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Solution

The fourth proportional to 2,769,796.40, 4,155,018.60 and 876,729.20 is: 1,315,196.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769,796.40 : 4,155,018.60 = 876,729.20 : x
  2. Step 2: Convert to fraction form
    2,769,796.40/4,155,018.60 = 876,729.20/x
  3. Step 3: Cross multiply
    2,769,796.40x = 4,155,018.60 × 876,729.20
  4. Step 4: Simplify right side
    2,769,796.40x = 3,642,826,133,163.12
  5. Step 5: Solve for x
    x = 3,642,826,133,163.12/2,769,796.40
  6. Step 6: Final answer
    x = 1,315,196.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.