Home / 1,971,864.90-2,721,173.56-1,066,446.90

Finding the Fourth Proportional to 1,971,864.90, 2,721,173.56 and 1,066,446.90

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Solution

The fourth proportional to 1,971,864.90, 2,721,173.56 and 1,066,446.90 is: 1,471,696.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,864.90 : 2,721,173.56 = 1,066,446.90 : x
  2. Step 2: Convert to fraction form
    1,971,864.90/2,721,173.56 = 1,066,446.90/x
  3. Step 3: Cross multiply
    1,971,864.90x = 2,721,173.56 × 1,066,446.90
  4. Step 4: Simplify right side
    1,971,864.90x = 2,901,987,107,423.96
  5. Step 5: Solve for x
    x = 2,901,987,107,423.96/1,971,864.90
  6. Step 6: Final answer
    x = 1,471,696.72

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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.