Finding the Fourth Proportional to 6,321,684.36, 8,723,946 and 3,421,074.48
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Solution
The fourth proportional to 6,321,684.36, 8,723,946 and 3,421,074.48 is: 4,721,094.46
Step by Step Solution
- Step 1: Write the proportion equation
6,321,684.36 : 8,723,946 = 3,421,074.48 : x - Step 2: Convert to fraction form
6,321,684.36/8,723,946 = 3,421,074.48/x - Step 3: Cross multiply
6,321,684.36x = 8,723,946 × 3,421,074.48 - Step 4: Simplify right side
6,321,684.36x = 29,845,269,025,498.08 - Step 5: Solve for x
x = 29,845,269,025,498.08/6,321,684.36 - Step 6: Final answer
x = 4,721,094.46
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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.