Finding the Fourth Proportional to 6,245,220.58, 8,615,764.87 and 4,180,901.02
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Solution
The fourth proportional to 6,245,220.58, 8,615,764.87 and 4,180,901.02 is: 5,767,876.36
Step by Step Solution
- Step 1: Write the proportion equation
6,245,220.58 : 8,615,764.87 = 4,180,901.02 : x - Step 2: Convert to fraction form
6,245,220.58/8,615,764.87 = 4,180,901.02/x - Step 3: Cross multiply
6,245,220.58x = 8,615,764.87 × 4,180,901.02 - Step 4: Simplify right side
6,245,220.58x = 36,021,660,133,063.16 - Step 5: Solve for x
x = 36,021,660,133,063.16/6,245,220.58 - Step 6: Final answer
x = 5,767,876.36
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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.