Finding the Fourth Proportional to 5,321,457.36, 7,343,618.22 and 3,029,618.16
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Solution
The fourth proportional to 5,321,457.36, 7,343,618.22 and 3,029,618.16 is: 4,180,877.08
Step by Step Solution
- Step 1: Write the proportion equation
5,321,457.36 : 7,343,618.22 = 3,029,618.16 : x - Step 2: Convert to fraction form
5,321,457.36/7,343,618.22 = 3,029,618.16/x - Step 3: Cross multiply
5,321,457.36x = 7,343,618.22 × 3,029,618.16 - Step 4: Simplify right side
5,321,457.36x = 22,248,359,119,418.88 - Step 5: Solve for x
x = 22,248,359,119,418.88/5,321,457.36 - Step 6: Final answer
x = 4,180,877.08
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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.