Finding the Fourth Proportional to 6,117,649.84, 8,442,163.56 and 3,364,328.80
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Solution
The fourth proportional to 6,117,649.84, 8,442,163.56 and 3,364,328.80 is: 4,642,667.49
Step by Step Solution
- Step 1: Write the proportion equation
6,117,649.84 : 8,442,163.56 = 3,364,328.80 : x - Step 2: Convert to fraction form
6,117,649.84/8,442,163.56 = 3,364,328.80/x - Step 3: Cross multiply
6,117,649.84x = 8,442,163.56 × 3,364,328.80 - Step 4: Simplify right side
6,117,649.84x = 28,402,213,999,218.53 - Step 5: Solve for x
x = 28,402,213,999,218.53/6,117,649.84 - Step 6: Final answer
x = 4,642,667.49
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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.