Finding the Fourth Proportional to 5,105,532.06, 7,045,635.35 and 2,782,425.13
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Solution
The fourth proportional to 5,105,532.06, 7,045,635.35 and 2,782,425.13 is: 3,839,747.28
Step by Step Solution
- Step 1: Write the proportion equation
5,105,532.06 : 7,045,635.35 = 2,782,425.13 : x - Step 2: Convert to fraction form
5,105,532.06/7,045,635.35 = 2,782,425.13/x - Step 3: Cross multiply
5,105,532.06x = 7,045,635.35 × 2,782,425.13 - Step 4: Simplify right side
5,105,532.06x = 19,603,952,843,998.32 - Step 5: Solve for x
x = 19,603,952,843,998.32/5,105,532.06 - Step 6: Final answer
x = 3,839,747.28
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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.