Finding the Fourth Proportional to 5,064,583.99, 6,989,791.49 and 2,888,628.34
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Solution
The fourth proportional to 5,064,583.99, 6,989,791.49 and 2,888,628.34 is: 3,986,686.73
Step by Step Solution
- Step 1: Write the proportion equation
5,064,583.99 : 6,989,791.49 = 2,888,628.34 : x - Step 2: Convert to fraction form
5,064,583.99/6,989,791.49 = 2,888,628.34/x - Step 3: Cross multiply
5,064,583.99x = 6,989,791.49 × 2,888,628.34 - Step 4: Simplify right side
5,064,583.99x = 20,190,909,788,704.83 - Step 5: Solve for x
x = 20,190,909,788,704.83/5,064,583.99 - Step 6: Final answer
x = 3,986,686.73
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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.