Home / 1,971,867.89-2,721,177.69-1,066,449.89

Finding the Fourth Proportional to 1,971,867.89, 2,721,177.69 and 1,066,449.89

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Solution

The fourth proportional to 1,971,867.89, 2,721,177.69 and 1,066,449.89 is: 1,471,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,867.89 : 2,721,177.69 = 1,066,449.89 : x
  2. Step 2: Convert to fraction form
    1,971,867.89/2,721,177.69 = 1,066,449.89/x
  3. Step 3: Cross multiply
    1,971,867.89x = 2,721,177.69 × 1,066,449.89
  4. Step 4: Simplify right side
    1,971,867.89x = 2,901,999,648,170.95
  5. Step 5: Solve for x
    x = 2,901,999,648,170.95/1,971,867.89
  6. Step 6: Final answer
    x = 1,471,700.85

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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.