Home / 1,971,923.13-2,958,211.53-692,198.56

Finding the Fourth Proportional to 1,971,923.13, 2,958,211.53 and 692,198.56

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Solution

The fourth proportional to 1,971,923.13, 2,958,211.53 and 692,198.56 is: 1,038,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,923.13 : 2,958,211.53 = 692,198.56 : x
  2. Step 2: Convert to fraction form
    1,971,923.13/2,958,211.53 = 692,198.56/x
  3. Step 3: Cross multiply
    1,971,923.13x = 2,958,211.53 × 692,198.56
  4. Step 4: Simplify right side
    1,971,923.13x = 2,047,669,764,939.16
  5. Step 5: Solve for x
    x = 2,047,669,764,939.16/1,971,923.13
  6. Step 6: Final answer
    x = 1,038,412.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.