Finding the Fourth Proportional to 5,337,458.15, 7,365,696.73 and 2,890,070.48
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Solution
The fourth proportional to 5,337,458.15, 7,365,696.73 and 2,890,070.48 is: 3,988,299.70
Step by Step Solution
- Step 1: Write the proportion equation
5,337,458.15 : 7,365,696.73 = 2,890,070.48 : x - Step 2: Convert to fraction form
5,337,458.15/7,365,696.73 = 2,890,070.48/x - Step 3: Cross multiply
5,337,458.15x = 7,365,696.73 × 2,890,070.48 - Step 4: Simplify right side
5,337,458.15x = 21,287,382,695,194.59 - Step 5: Solve for x
x = 21,287,382,695,194.59/5,337,458.15 - Step 6: Final answer
x = 3,988,299.70
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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.