Finding the Fourth Proportional to 1,428,614.96, 2,143,523.60 and 889,322.63
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Solution
The fourth proportional to 1,428,614.96, 2,143,523.60 and 889,322.63 is: 1,334,358.17
Step by Step Solution
- Step 1: Write the proportion equation
1,428,614.96 : 2,143,523.60 = 889,322.63 : x - Step 2: Convert to fraction form
1,428,614.96/2,143,523.60 = 889,322.63/x - Step 3: Cross multiply
1,428,614.96x = 2,143,523.60 × 889,322.63 - Step 4: Simplify right side
1,428,614.96x = 1,906,284,038,592.24 - Step 5: Solve for x
x = 1,906,284,038,592.24/1,428,614.96 - Step 6: Final answer
x = 1,334,358.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.