Finding the Fourth Proportional to 5,695,968.88, 7,860,446.57 and 3,117,813
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Solution
The fourth proportional to 5,695,968.88, 7,860,446.57 and 3,117,813 is: 4,302,587.15
Step by Step Solution
- Step 1: Write the proportion equation
5,695,968.88 : 7,860,446.57 = 3,117,813 : x - Step 2: Convert to fraction form
5,695,968.88/7,860,446.57 = 3,117,813/x - Step 3: Cross multiply
5,695,968.88x = 7,860,446.57 × 3,117,813 - Step 4: Simplify right side
5,695,968.88x = 24,507,402,501,751.41 - Step 5: Solve for x
x = 24,507,402,501,751.41/5,695,968.88 - Step 6: Final answer
x = 4,302,587.15
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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.