Home / 1,971,917.12-2,721,247.44-1,066,499.12

Finding the Fourth Proportional to 1,971,917.12, 2,721,247.44 and 1,066,499.12

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Solution

The fourth proportional to 1,971,917.12, 2,721,247.44 and 1,066,499.12 is: 1,471,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,917.12 : 2,721,247.44 = 1,066,499.12 : x
  2. Step 2: Convert to fraction form
    1,971,917.12/2,721,247.44 = 1,066,499.12/x
  3. Step 3: Cross multiply
    1,971,917.12x = 2,721,247.44 × 1,066,499.12
  4. Step 4: Simplify right side
    1,971,917.12x = 2,902,208,000,062.25
  5. Step 5: Solve for x
    x = 2,902,208,000,062.25/1,971,917.12
  6. Step 6: Final answer
    x = 1,471,769.77

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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.