Finding the Fourth Proportional to 1,525,521.68, 2,104,986.12 and 913,531.12
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Solution
The fourth proportional to 1,525,521.68, 2,104,986.12 and 913,531.12 is: 1,260,532.94
Step by Step Solution
- Step 1: Write the proportion equation
1,525,521.68 : 2,104,986.12 = 913,531.12 : x - Step 2: Convert to fraction form
1,525,521.68/2,104,986.12 = 913,531.12/x - Step 3: Cross multiply
1,525,521.68x = 2,104,986.12 × 913,531.12 - Step 4: Simplify right side
1,525,521.68x = 1,922,970,327,788.05 - Step 5: Solve for x
x = 1,922,970,327,788.05/1,525,521.68 - Step 6: Final answer
x = 1,260,532.94
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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.