Home / 2,108,825.51-3,161,107.85-830,330.01

Finding the Fourth Proportional to 2,108,825.51, 3,161,107.85 and 830,330.01

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Solution

The fourth proportional to 2,108,825.51, 3,161,107.85 and 830,330.01 is: 1,244,656.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,825.51 : 3,161,107.85 = 830,330.01 : x
  2. Step 2: Convert to fraction form
    2,108,825.51/3,161,107.85 = 830,330.01/x
  3. Step 3: Cross multiply
    2,108,825.51x = 3,161,107.85 × 830,330.01
  4. Step 4: Simplify right side
    2,108,825.51x = 2,624,762,708,549.93
  5. Step 5: Solve for x
    x = 2,624,762,708,549.93/2,108,825.51
  6. Step 6: Final answer
    x = 1,244,656.19

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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.