Home / 1,641,402-2,265,327.12-1,365,272.64

Finding the Fourth Proportional to 1,641,402, 2,265,327.12 and 1,365,272.64

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Solution

The fourth proportional to 1,641,402, 2,265,327.12 and 1,365,272.64 is: 1,884,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,402 : 2,265,327.12 = 1,365,272.64 : x
  2. Step 2: Convert to fraction form
    1,641,402/2,265,327.12 = 1,365,272.64/x
  3. Step 3: Cross multiply
    1,641,402x = 2,265,327.12 × 1,365,272.64
  4. Step 4: Simplify right side
    1,641,402x = 3,092,789,137,586.00
  5. Step 5: Solve for x
    x = 3,092,789,137,586.00/1,641,402
  6. Step 6: Final answer
    x = 1,884,236.24

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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.