Home / 1,816,675.86-2,507,015.04-989,745.32

Finding the Fourth Proportional to 1,816,675.86, 2,507,015.04 and 989,745.32

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Solution

The fourth proportional to 1,816,675.86, 2,507,015.04 and 989,745.32 is: 1,365,849.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,675.86 : 2,507,015.04 = 989,745.32 : x
  2. Step 2: Convert to fraction form
    1,816,675.86/2,507,015.04 = 989,745.32/x
  3. Step 3: Cross multiply
    1,816,675.86x = 2,507,015.04 × 989,745.32
  4. Step 4: Simplify right side
    1,816,675.86x = 2,481,306,403,009.61
  5. Step 5: Solve for x
    x = 2,481,306,403,009.61/1,816,675.86
  6. Step 6: Final answer
    x = 1,365,849.82

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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.