Home / 1,971,879.52-2,721,193.72-1,066,461.52

Finding the Fourth Proportional to 1,971,879.52, 2,721,193.72 and 1,066,461.52

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Solution

The fourth proportional to 1,971,879.52, 2,721,193.72 and 1,066,461.52 is: 1,471,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,879.52 : 2,721,193.72 = 1,066,461.52 : x
  2. Step 2: Convert to fraction form
    1,971,879.52/2,721,193.72 = 1,066,461.52/x
  3. Step 3: Cross multiply
    1,971,879.52x = 2,721,193.72 × 1,066,461.52
  4. Step 4: Simplify right side
    1,971,879.52x = 2,902,048,390,845.66
  5. Step 5: Solve for x
    x = 2,902,048,390,845.66/1,971,879.52
  6. Step 6: Final answer
    x = 1,471,716.89

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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.