Finding the Fourth Proportional to 6,287,450.66, 9,421,549.98 and 4,230,492.28
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Solution
The fourth proportional to 6,287,450.66, 9,421,549.98 and 4,230,492.28 is: 6,339,261.58
Step by Step Solution
- Step 1: Write the proportion equation
6,287,450.66 : 9,421,549.98 = 4,230,492.28 : x - Step 2: Convert to fraction form
6,287,450.66/9,421,549.98 = 4,230,492.28/x - Step 3: Cross multiply
6,287,450.66x = 9,421,549.98 × 4,230,492.28 - Step 4: Simplify right side
6,287,450.66x = 39,857,794,426,941.88 - Step 5: Solve for x
x = 39,857,794,426,941.88/6,287,450.66 - Step 6: Final answer
x = 6,339,261.58
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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.