Finding the Fourth Proportional to 5,265,907.20, 7,266,574.80 and 3,090,538.80
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Solution
The fourth proportional to 5,265,907.20, 7,266,574.80 and 3,090,538.80 is: 4,264,722.20
Step by Step Solution
- Step 1: Write the proportion equation
5,265,907.20 : 7,266,574.80 = 3,090,538.80 : x - Step 2: Convert to fraction form
5,265,907.20/7,266,574.80 = 3,090,538.80/x - Step 3: Cross multiply
5,265,907.20x = 7,266,574.80 × 3,090,538.80 - Step 4: Simplify right side
5,265,907.20x = 22,457,631,362,502.24 - Step 5: Solve for x
x = 22,457,631,362,502.24/5,265,907.20 - Step 6: Final answer
x = 4,264,722.20
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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.