Finding the Fourth Proportional to 1,538,811.64, 2,123,493.99 and 850,447.92
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Solution
The fourth proportional to 1,538,811.64, 2,123,493.99 and 850,447.92 is: 1,173,581.62
Step by Step Solution
- Step 1: Write the proportion equation
1,538,811.64 : 2,123,493.99 = 850,447.92 : x - Step 2: Convert to fraction form
1,538,811.64/2,123,493.99 = 850,447.92/x - Step 3: Cross multiply
1,538,811.64x = 2,123,493.99 × 850,447.92 - Step 4: Simplify right side
1,538,811.64x = 1,805,921,046,928.00 - Step 5: Solve for x
x = 1,805,921,046,928.00/1,538,811.64 - Step 6: Final answer
x = 1,173,581.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.