Home / 2,184,047.80-3,278,015.70-1,284,364.60

Finding the Fourth Proportional to 2,184,047.80, 3,278,015.70 and 1,284,364.60

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Solution

The fourth proportional to 2,184,047.80, 3,278,015.70 and 1,284,364.60 is: 1,927,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184,047.80 : 3,278,015.70 = 1,284,364.60 : x
  2. Step 2: Convert to fraction form
    2,184,047.80/3,278,015.70 = 1,284,364.60/x
  3. Step 3: Cross multiply
    2,184,047.80x = 3,278,015.70 × 1,284,364.60
  4. Step 4: Simplify right side
    2,184,047.80x = 4,210,167,323,324.22
  5. Step 5: Solve for x
    x = 4,210,167,323,324.22/2,184,047.80
  6. Step 6: Final answer
    x = 1,927,690.10

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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.