Finding the Fourth Proportional to 5,368,909.08, 7,409,413.44 and 3,077,217.84
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Solution
The fourth proportional to 5,368,909.08, 7,409,413.44 and 3,077,217.84 is: 4,246,743.40
Step by Step Solution
- Step 1: Write the proportion equation
5,368,909.08 : 7,409,413.44 = 3,077,217.84 : x - Step 2: Convert to fraction form
5,368,909.08/7,409,413.44 = 3,077,217.84/x - Step 3: Cross multiply
5,368,909.08x = 7,409,413.44 × 3,077,217.84 - Step 4: Simplify right side
5,368,909.08x = 22,800,379,221,503.77 - Step 5: Solve for x
x = 22,800,379,221,503.77/5,368,909.08 - Step 6: Final answer
x = 4,246,743.40
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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.