Finding the Fourth Proportional to 6,451,538.48, 8,903,122.57 and 3,511,376.63
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Solution
The fourth proportional to 6,451,538.48, 8,903,122.57 and 3,511,376.63 is: 4,845,699.46
Step by Step Solution
- Step 1: Write the proportion equation
6,451,538.48 : 8,903,122.57 = 3,511,376.63 : x - Step 2: Convert to fraction form
6,451,538.48/8,903,122.57 = 3,511,376.63/x - Step 3: Cross multiply
6,451,538.48x = 8,903,122.57 × 3,511,376.63 - Step 4: Simplify right side
6,451,538.48x = 31,262,216,526,323.54 - Step 5: Solve for x
x = 31,262,216,526,323.54/6,451,538.48 - Step 6: Final answer
x = 4,845,699.46
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1.5x scale
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.