Finding the Fourth Proportional to 6,833,813.89, 9,430,860 and 3,778,224.97
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Solution
The fourth proportional to 6,833,813.89, 9,430,860 and 3,778,224.97 is: 5,214,059.28
Step by Step Solution
- Step 1: Write the proportion equation
6,833,813.89 : 9,430,860 = 3,778,224.97 : x - Step 2: Convert to fraction form
6,833,813.89/9,430,860 = 3,778,224.97/x - Step 3: Cross multiply
6,833,813.89x = 9,430,860 × 3,778,224.97 - Step 4: Simplify right side
6,833,813.89x = 35,631,910,740,574.20 - Step 5: Solve for x
x = 35,631,910,740,574.20/6,833,813.89 - Step 6: Final answer
x = 5,214,059.28
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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.