Finding the Fourth Proportional to 5,437,499.06, 7,503,941.70 and 2,990,296.17
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Solution
The fourth proportional to 5,437,499.06, 7,503,941.70 and 2,990,296.17 is: 4,126,714.86
Step by Step Solution
- Step 1: Write the proportion equation
5,437,499.06 : 7,503,941.70 = 2,990,296.17 : x - Step 2: Convert to fraction form
5,437,499.06/7,503,941.70 = 2,990,296.17/x - Step 3: Cross multiply
5,437,499.06x = 7,503,941.70 × 2,990,296.17 - Step 4: Simplify right side
5,437,499.06x = 22,439,008,125,413.29 - Step 5: Solve for x
x = 22,439,008,125,413.29/5,437,499.06 - Step 6: Final answer
x = 4,126,714.86
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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.