Finding the Fourth Proportional to 1,528,419.99, 2,292,906.71 and 629,371.43
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Solution
The fourth proportional to 1,528,419.99, 2,292,906.71 and 629,371.43 is: 944,171.09
Step by Step Solution
- Step 1: Write the proportion equation
1,528,419.99 : 2,292,906.71 = 629,371.43 : x - Step 2: Convert to fraction form
1,528,419.99/2,292,906.71 = 629,371.43/x - Step 3: Cross multiply
1,528,419.99x = 2,292,906.71 × 629,371.43 - Step 4: Simplify right side
1,528,419.99x = 1,443,089,974,929.30 - Step 5: Solve for x
x = 1,443,089,974,929.30/1,528,419.99 - Step 6: Final answer
x = 944,171.09
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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.