Finding the Fourth Proportional to 5,791,219.08, 7,991,987.88 and 3,177,857.94
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Solution
The fourth proportional to 5,791,219.08, 7,991,987.88 and 3,177,857.94 is: 4,385,501.88
Step by Step Solution
- Step 1: Write the proportion equation
5,791,219.08 : 7,991,987.88 = 3,177,857.94 : x - Step 2: Convert to fraction form
5,791,219.08/7,991,987.88 = 3,177,857.94/x - Step 3: Cross multiply
5,791,219.08x = 7,991,987.88 × 3,177,857.94 - Step 4: Simplify right side
5,791,219.08x = 25,397,402,140,841.77 - Step 5: Solve for x
x = 25,397,402,140,841.77/5,791,219.08 - Step 6: Final answer
x = 4,385,501.88
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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.