Finding the Fourth Proportional to 6,252,649.16, 8,629,562.05 and 3,602,981.13
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Solution
The fourth proportional to 6,252,649.16, 8,629,562.05 and 3,602,981.13 is: 4,972,636.15
Step by Step Solution
- Step 1: Write the proportion equation
6,252,649.16 : 8,629,562.05 = 3,602,981.13 : x - Step 2: Convert to fraction form
6,252,649.16/8,629,562.05 = 3,602,981.13/x - Step 3: Cross multiply
6,252,649.16x = 8,629,562.05 × 3,602,981.13 - Step 4: Simplify right side
6,252,649.16x = 31,092,149,237,573.43 - Step 5: Solve for x
x = 31,092,149,237,573.43/6,252,649.16 - Step 6: Final answer
x = 4,972,636.15
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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.