Finding the Fourth Proportional to 3,552,395.60, 5,328,593.40 and 1,028,133.20
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Solution
The fourth proportional to 3,552,395.60, 5,328,593.40 and 1,028,133.20 is: 1,542,199.80
Step by Step Solution
- Step 1: Write the proportion equation
3,552,395.60 : 5,328,593.40 = 1,028,133.20 : x - Step 2: Convert to fraction form
3,552,395.60/5,328,593.40 = 1,028,133.20/x - Step 3: Cross multiply
3,552,395.60x = 5,328,593.40 × 1,028,133.20 - Step 4: Simplify right side
3,552,395.60x = 5,478,503,783,840.88 - Step 5: Solve for x
x = 5,478,503,783,840.88/3,552,395.60 - Step 6: Final answer
x = 1,542,199.80
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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.