Home / 1,930,584.42-2,664,206.91-1,071,142.65

Finding the Fourth Proportional to 1,930,584.42, 2,664,206.91 and 1,071,142.65

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Solution

The fourth proportional to 1,930,584.42, 2,664,206.91 and 1,071,142.65 is: 1,478,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,584.42 : 2,664,206.91 = 1,071,142.65 : x
  2. Step 2: Convert to fraction form
    1,930,584.42/2,664,206.91 = 1,071,142.65/x
  3. Step 3: Cross multiply
    1,930,584.42x = 2,664,206.91 × 1,071,142.65
  4. Step 4: Simplify right side
    1,930,584.42x = 2,853,745,649,725.71
  5. Step 5: Solve for x
    x = 2,853,745,649,725.71/1,930,584.42
  6. Step 6: Final answer
    x = 1,478,177.08

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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.