Home / 1,971,853.88-2,721,158.35-1,066,435.88

Finding the Fourth Proportional to 1,971,853.88, 2,721,158.35 and 1,066,435.88

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Solution

The fourth proportional to 1,971,853.88, 2,721,158.35 and 1,066,435.88 is: 1,471,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,853.88 : 2,721,158.35 = 1,066,435.88 : x
  2. Step 2: Convert to fraction form
    1,971,853.88/2,721,158.35 = 1,066,435.88/x
  3. Step 3: Cross multiply
    1,971,853.88x = 2,721,158.35 × 1,066,435.88
  4. Step 4: Simplify right side
    1,971,853.88x = 2,901,940,883,329.72
  5. Step 5: Solve for x
    x = 2,901,940,883,329.72/1,971,853.88
  6. Step 6: Final answer
    x = 1,471,681.51

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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.