Finding the Fourth Proportional to 6,216,493.08, 8,579,374.56 and 3,638,020.08
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Solution
The fourth proportional to 6,216,493.08, 8,579,374.56 and 3,638,020.08 is: 5,020,827.10
Step by Step Solution
- Step 1: Write the proportion equation
6,216,493.08 : 8,579,374.56 = 3,638,020.08 : x - Step 2: Convert to fraction form
6,216,493.08/8,579,374.56 = 3,638,020.08/x - Step 3: Cross multiply
6,216,493.08x = 8,579,374.56 × 3,638,020.08 - Step 4: Simplify right side
6,216,493.08x = 31,211,936,923,121.17 - Step 5: Solve for x
x = 31,211,936,923,121.17/6,216,493.08 - Step 6: Final answer
x = 5,020,827.10
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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.