Finding the Fourth Proportional to 6,288,246.62, 8,677,207.74 and 3,638,636.10
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Solution
The fourth proportional to 6,288,246.62, 8,677,207.74 and 3,638,636.10 is: 5,020,986.49
Step by Step Solution
- Step 1: Write the proportion equation
6,288,246.62 : 8,677,207.74 = 3,638,636.10 : x - Step 2: Convert to fraction form
6,288,246.62/8,677,207.74 = 3,638,636.10/x - Step 3: Cross multiply
6,288,246.62x = 8,677,207.74 × 3,638,636.10 - Step 4: Simplify right side
6,288,246.62x = 31,573,201,329,963.41 - Step 5: Solve for x
x = 31,573,201,329,963.41/6,288,246.62 - Step 6: Final answer
x = 5,020,986.49
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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.