Home / 2,189,163.04-3,021,548.88-1,284,036.64

Finding the Fourth Proportional to 2,189,163.04, 3,021,548.88 and 1,284,036.64

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Solution

The fourth proportional to 2,189,163.04, 3,021,548.88 and 1,284,036.64 is: 1,772,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,163.04 : 3,021,548.88 = 1,284,036.64 : x
  2. Step 2: Convert to fraction form
    2,189,163.04/3,021,548.88 = 1,284,036.64/x
  3. Step 3: Cross multiply
    2,189,163.04x = 3,021,548.88 × 1,284,036.64
  4. Step 4: Simplify right side
    2,189,163.04x = 3,879,779,471,470.96
  5. Step 5: Solve for x
    x = 3,879,779,471,470.96/2,189,163.04
  6. Step 6: Final answer
    x = 1,772,266.11

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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.