Finding the Fourth Proportional to 5,349,364.34, 7,382,122.82 and 3,057,574.23
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Solution
The fourth proportional to 5,349,364.34, 7,382,122.82 and 3,057,574.23 is: 4,219,452.46
Step by Step Solution
- Step 1: Write the proportion equation
5,349,364.34 : 7,382,122.82 = 3,057,574.23 : x - Step 2: Convert to fraction form
5,349,364.34/7,382,122.82 = 3,057,574.23/x - Step 3: Cross multiply
5,349,364.34x = 7,382,122.82 × 3,057,574.23 - Step 4: Simplify right side
5,349,364.34x = 22,571,388,493,304.96 - Step 5: Solve for x
x = 22,571,388,493,304.96/5,349,364.34 - Step 6: Final answer
x = 4,219,452.46
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1.5x scale
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.