Finding the Fourth Proportional to 5,621,703.14, 8,435,914.19 and 5,164,331.74
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Solution
The fourth proportional to 5,621,703.14, 8,435,914.19 and 5,164,331.74 is: 7,749,583.77
Step by Step Solution
- Step 1: Write the proportion equation
5,621,703.14 : 8,435,914.19 = 5,164,331.74 : x - Step 2: Convert to fraction form
5,621,703.14/8,435,914.19 = 5,164,331.74/x - Step 3: Cross multiply
5,621,703.14x = 8,435,914.19 × 5,164,331.74 - Step 4: Simplify right side
5,621,703.14x = 43,565,859,407,333.39 - Step 5: Solve for x
x = 43,565,859,407,333.39/5,621,703.14 - Step 6: Final answer
x = 7,749,583.77
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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.