Finding the Fourth Proportional to 5,014,534.67, 6,919,986.84 and 2,839,021.28
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Solution
The fourth proportional to 5,014,534.67, 6,919,986.84 and 2,839,021.28 is: 3,917,809.17
Step by Step Solution
- Step 1: Write the proportion equation
5,014,534.67 : 6,919,986.84 = 2,839,021.28 : x - Step 2: Convert to fraction form
5,014,534.67/6,919,986.84 = 2,839,021.28/x - Step 3: Cross multiply
5,014,534.67x = 6,919,986.84 × 2,839,021.28 - Step 4: Simplify right side
5,014,534.67x = 19,645,989,896,079.95 - Step 5: Solve for x
x = 19,645,989,896,079.95/5,014,534.67 - Step 6: Final answer
x = 3,917,809.17
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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.