Finding the Fourth Proportional to 5,435,197.88, 7,500,667.84 and 2,987,912.07
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Solution
The fourth proportional to 5,435,197.88, 7,500,667.84 and 2,987,912.07 is: 4,123,370.75
Step by Step Solution
- Step 1: Write the proportion equation
5,435,197.88 : 7,500,667.84 = 2,987,912.07 : x - Step 2: Convert to fraction form
5,435,197.88/7,500,667.84 = 2,987,912.07/x - Step 3: Cross multiply
5,435,197.88x = 7,500,667.84 × 2,987,912.07 - Step 4: Simplify right side
5,435,197.88x = 22,411,335,964,727.05 - Step 5: Solve for x
x = 22,411,335,964,727.05/5,435,197.88 - Step 6: Final answer
x = 4,123,370.75
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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.