Finding the Fourth Proportional to 3,414,239.68, 4,711,249.20 and 1,886,255.68
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Solution
The fourth proportional to 3,414,239.68, 4,711,249.20 and 1,886,255.68 is: 2,602,810.99
Step by Step Solution
- Step 1: Write the proportion equation
3,414,239.68 : 4,711,249.20 = 1,886,255.68 : x - Step 2: Convert to fraction form
3,414,239.68/4,711,249.20 = 1,886,255.68/x - Step 3: Cross multiply
3,414,239.68x = 4,711,249.20 × 1,886,255.68 - Step 4: Simplify right side
3,414,239.68x = 8,886,620,563,395.46 - Step 5: Solve for x
x = 8,886,620,563,395.46/3,414,239.68 - Step 6: Final answer
x = 2,602,810.99
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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.