Home / 1,971,854.88-2,721,159.73-1,066,436.88

Finding the Fourth Proportional to 1,971,854.88, 2,721,159.73 and 1,066,436.88

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Solution

The fourth proportional to 1,971,854.88, 2,721,159.73 and 1,066,436.88 is: 1,471,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,854.88 : 2,721,159.73 = 1,066,436.88 : x
  2. Step 2: Convert to fraction form
    1,971,854.88/2,721,159.73 = 1,066,436.88/x
  3. Step 3: Cross multiply
    1,971,854.88x = 2,721,159.73 × 1,066,436.88
  4. Step 4: Simplify right side
    1,971,854.88x = 2,901,945,092,442.84
  5. Step 5: Solve for x
    x = 2,901,945,092,442.84/1,971,854.88
  6. Step 6: Final answer
    x = 1,471,682.89

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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.