Finding the Fourth Proportional to 5,915,570.64, 8,163,487.47 and 3,199,316.64
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Solution
The fourth proportional to 5,915,570.64, 8,163,487.47 and 3,199,316.64 is: 4,415,056.96
Step by Step Solution
- Step 1: Write the proportion equation
5,915,570.64 : 8,163,487.47 = 3,199,316.64 : x - Step 2: Convert to fraction form
5,915,570.64/8,163,487.47 = 3,199,316.64/x - Step 3: Cross multiply
5,915,570.64x = 8,163,487.47 × 3,199,316.64 - Step 4: Simplify right side
5,915,570.64x = 26,117,581,303,202.50 - Step 5: Solve for x
x = 26,117,581,303,202.50/5,915,570.64 - Step 6: Final answer
x = 4,415,056.96
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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.