Home / 2,115,971.72-3,173,544.28-676,268.93

Finding the Fourth Proportional to 2,115,971.72, 3,173,544.28 and 676,268.93

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Solution

The fourth proportional to 2,115,971.72, 3,173,544.28 and 676,268.93 is: 1,014,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,971.72 : 3,173,544.28 = 676,268.93 : x
  2. Step 2: Convert to fraction form
    2,115,971.72/3,173,544.28 = 676,268.93/x
  3. Step 3: Cross multiply
    2,115,971.72x = 3,173,544.28 × 676,268.93
  4. Step 4: Simplify right side
    2,115,971.72x = 2,146,169,405,224.42
  5. Step 5: Solve for x
    x = 2,146,169,405,224.42/2,115,971.72
  6. Step 6: Final answer
    x = 1,014,271.31

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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.