Finding the Fourth Proportional to 1,720,647.75, 2,374,479.50 and 956,694.63
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Solution
The fourth proportional to 1,720,647.75, 2,374,479.50 and 956,694.63 is: 1,320,230.58
Step by Step Solution
- Step 1: Write the proportion equation
1,720,647.75 : 2,374,479.50 = 956,694.63 : x - Step 2: Convert to fraction form
1,720,647.75/2,374,479.50 = 956,694.63/x - Step 3: Cross multiply
1,720,647.75x = 2,374,479.50 × 956,694.63 - Step 4: Simplify right side
1,720,647.75x = 2,271,651,777,214.42 - Step 5: Solve for x
x = 2,271,651,777,214.42/1,720,647.75 - Step 6: Final answer
x = 1,320,230.58
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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.