Finding the Fourth Proportional to 3,402,969.80, 5,106,582.96 and 1,381,213.68
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Solution
The fourth proportional to 3,402,969.80, 5,106,582.96 and 1,381,213.68 is: 2,072,684.35
Step by Step Solution
- Step 1: Write the proportion equation
3,402,969.80 : 5,106,582.96 = 1,381,213.68 : x - Step 2: Convert to fraction form
3,402,969.80/5,106,582.96 = 1,381,213.68/x - Step 3: Cross multiply
3,402,969.80x = 5,106,582.96 × 1,381,213.68 - Step 4: Simplify right side
3,402,969.80x = 7,053,282,242,406.89 - Step 5: Solve for x
x = 7,053,282,242,406.89/3,402,969.80 - Step 6: Final answer
x = 2,072,684.35
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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.