Finding the Fourth Proportional to 6,331,022.40, 8,736,973.60 and 3,884,984.96
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Solution
The fourth proportional to 6,331,022.40, 8,736,973.60 and 3,884,984.96 is: 5,361,379.08
Step by Step Solution
- Step 1: Write the proportion equation
6,331,022.40 : 8,736,973.60 = 3,884,984.96 : x - Step 2: Convert to fraction form
6,331,022.40/8,736,973.60 = 3,884,984.96/x - Step 3: Cross multiply
6,331,022.40x = 8,736,973.60 × 3,884,984.96 - Step 4: Simplify right side
6,331,022.40x = 33,943,011,031,917.05 - Step 5: Solve for x
x = 33,943,011,031,917.05/6,331,022.40 - Step 6: Final answer
x = 5,361,379.08
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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.