Home / 1,971,865.90-2,721,174.94-1,066,447.90

Finding the Fourth Proportional to 1,971,865.90, 2,721,174.94 and 1,066,447.90

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Solution

The fourth proportional to 1,971,865.90, 2,721,174.94 and 1,066,447.90 is: 1,471,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,865.90 : 2,721,174.94 = 1,066,447.90 : x
  2. Step 2: Convert to fraction form
    1,971,865.90/2,721,174.94 = 1,066,447.90/x
  3. Step 3: Cross multiply
    1,971,865.90x = 2,721,174.94 × 1,066,447.90
  4. Step 4: Simplify right side
    1,971,865.90x = 2,901,991,300,295.63
  5. Step 5: Solve for x
    x = 2,901,991,300,295.63/1,971,865.90
  6. Step 6: Final answer
    x = 1,471,698.10

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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.