Home / 1,478,004.67-2,220,157.06-1,391,617.07

Finding the Fourth Proportional to 1,478,004.67, 2,220,157.06 and 1,391,617.07

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Solution

The fourth proportional to 1,478,004.67, 2,220,157.06 and 1,391,617.07 is: 2,090,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,004.67 : 2,220,157.06 = 1,391,617.07 : x
  2. Step 2: Convert to fraction form
    1,478,004.67/2,220,157.06 = 1,391,617.07/x
  3. Step 3: Cross multiply
    1,478,004.67x = 2,220,157.06 × 1,391,617.07
  4. Step 4: Simplify right side
    1,478,004.67x = 3,089,608,476,839.01
  5. Step 5: Solve for x
    x = 3,089,608,476,839.01/1,478,004.67
  6. Step 6: Final answer
    x = 2,090,391.55

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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.