Home / 1,971,872.64-2,721,184.25-1,066,454.64

Finding the Fourth Proportional to 1,971,872.64, 2,721,184.25 and 1,066,454.64

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Solution

The fourth proportional to 1,971,872.64, 2,721,184.25 and 1,066,454.64 is: 1,471,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,872.64 : 2,721,184.25 = 1,066,454.64 : x
  2. Step 2: Convert to fraction form
    1,971,872.64/2,721,184.25 = 1,066,454.64/x
  3. Step 3: Cross multiply
    1,971,872.64x = 2,721,184.25 × 1,066,454.64
  4. Step 4: Simplify right side
    1,971,872.64x = 2,902,019,564,375.15
  5. Step 5: Solve for x
    x = 2,902,019,564,375.15/1,971,872.64
  6. Step 6: Final answer
    x = 1,471,707.40

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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.