Finding the Fourth Proportional to 5,427,033.41, 7,489,321.20 and 2,979,803.04
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Solution
The fourth proportional to 5,427,033.41, 7,489,321.20 and 2,979,803.04 is: 4,112,136.49
Step by Step Solution
- Step 1: Write the proportion equation
5,427,033.41 : 7,489,321.20 = 2,979,803.04 : x - Step 2: Convert to fraction form
5,427,033.41/7,489,321.20 = 2,979,803.04/x - Step 3: Cross multiply
5,427,033.41x = 7,489,321.20 × 2,979,803.04 - Step 4: Simplify right side
5,427,033.41x = 22,316,702,079,296.45 - Step 5: Solve for x
x = 22,316,702,079,296.45/5,427,033.41 - Step 6: Final answer
x = 4,112,136.49
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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.