Finding the Fourth Proportional to 8,394,621.68, 12,590,523.95 and 2,329,969.56
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Solution
The fourth proportional to 8,394,621.68, 12,590,523.95 and 2,329,969.56 is: 3,494,563.38
Step by Step Solution
- Step 1: Write the proportion equation
8,394,621.68 : 12,590,523.95 = 2,329,969.56 : x - Step 2: Convert to fraction form
8,394,621.68/12,590,523.95 = 2,329,969.56/x - Step 3: Cross multiply
8,394,621.68x = 12,590,523.95 × 2,329,969.56 - Step 4: Simplify right side
8,394,621.68x = 29,335,537,536,301.12 - Step 5: Solve for x
x = 29,335,537,536,301.12/8,394,621.68 - Step 6: Final answer
x = 3,494,563.38
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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.