Finding the Fourth Proportional to 5,388,909.80, 8,083,364.70 and 4,326,027.80
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Solution
The fourth proportional to 5,388,909.80, 8,083,364.70 and 4,326,027.80 is: 6,489,041.70
Step by Step Solution
- Step 1: Write the proportion equation
5,388,909.80 : 8,083,364.70 = 4,326,027.80 : x - Step 2: Convert to fraction form
5,388,909.80/8,083,364.70 = 4,326,027.80/x - Step 3: Cross multiply
5,388,909.80x = 8,083,364.70 × 4,326,027.80 - Step 4: Simplify right side
5,388,909.80x = 34,968,860,409,738.66 - Step 5: Solve for x
x = 34,968,860,409,738.66/5,388,909.80 - Step 6: Final answer
x = 6,489,041.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.