Finding the Fourth Proportional to 1,634,125.60, 2,255,157.48 and 989,180.92
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Solution
The fourth proportional to 1,634,125.60, 2,255,157.48 and 989,180.92 is: 1,365,108.50
Step by Step Solution
- Step 1: Write the proportion equation
1,634,125.60 : 2,255,157.48 = 989,180.92 : x - Step 2: Convert to fraction form
1,634,125.60/2,255,157.48 = 989,180.92/x - Step 3: Cross multiply
1,634,125.60x = 2,255,157.48 × 989,180.92 - Step 4: Simplify right side
1,634,125.60x = 2,230,758,750,811.28 - Step 5: Solve for x
x = 2,230,758,750,811.28/1,634,125.60 - Step 6: Final answer
x = 1,365,108.50
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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.