Finding the Fourth Proportional to 5,435,212.25, 7,500,687.68 and 2,987,926.45
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Solution
The fourth proportional to 5,435,212.25, 7,500,687.68 and 2,987,926.45 is: 4,123,390.60
Step by Step Solution
- Step 1: Write the proportion equation
5,435,212.25 : 7,500,687.68 = 2,987,926.45 : x - Step 2: Convert to fraction form
5,435,212.25/7,500,687.68 = 2,987,926.45/x - Step 3: Cross multiply
5,435,212.25x = 7,500,687.68 × 2,987,926.45 - Step 4: Simplify right side
5,435,212.25x = 22,411,503,112,261.14 - Step 5: Solve for x
x = 22,411,503,112,261.14/5,435,212.25 - Step 6: Final answer
x = 4,123,390.60
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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.