Home / 2,021,958.23-2,786,980.30-1,433,458.40

Finding the Fourth Proportional to 2,021,958.23, 2,786,980.30 and 1,433,458.40

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Solution

The fourth proportional to 2,021,958.23, 2,786,980.30 and 1,433,458.40 is: 1,975,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,958.23 : 2,786,980.30 = 1,433,458.40 : x
  2. Step 2: Convert to fraction form
    2,021,958.23/2,786,980.30 = 1,433,458.40/x
  3. Step 3: Cross multiply
    2,021,958.23x = 2,786,980.30 × 1,433,458.40
  4. Step 4: Simplify right side
    2,021,958.23x = 3,995,020,304,150.97
  5. Step 5: Solve for x
    x = 3,995,020,304,150.97/2,021,958.23
  6. Step 6: Final answer
    x = 1,975,817.43

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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.