Finding the Fourth Proportional to 5,658,074.36, 8,487,028.42 and 1,398,242.48
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Solution
The fourth proportional to 5,658,074.36, 8,487,028.42 and 1,398,242.48 is: 2,097,343.18
Step by Step Solution
- Step 1: Write the proportion equation
5,658,074.36 : 8,487,028.42 = 1,398,242.48 : x - Step 2: Convert to fraction form
5,658,074.36/8,487,028.42 = 1,398,242.48/x - Step 3: Cross multiply
5,658,074.36x = 8,487,028.42 × 1,398,242.48 - Step 4: Simplify right side
5,658,074.36x = 11,866,923,665,811.28 - Step 5: Solve for x
x = 11,866,923,665,811.28/5,658,074.36 - Step 6: Final answer
x = 2,097,343.18
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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.