Finding the Fourth Proportional to 6,321,342.98, 8,723,476.34 and 3,420,733.60
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Solution
The fourth proportional to 6,321,342.98, 8,723,476.34 and 3,420,733.60 is: 4,720,624.83
Step by Step Solution
- Step 1: Write the proportion equation
6,321,342.98 : 8,723,476.34 = 3,420,733.60 : x - Step 2: Convert to fraction form
6,321,342.98/8,723,476.34 = 3,420,733.60/x - Step 3: Cross multiply
6,321,342.98x = 8,723,476.34 × 3,420,733.60 - Step 4: Simplify right side
6,321,342.98x = 29,840,688,625,043.02 - Step 5: Solve for x
x = 29,840,688,625,043.02/6,321,342.98 - Step 6: Final answer
x = 4,720,624.83
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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.