Finding the Fourth Proportional to 5,028,442, 6,939,116.88 and 2,736,553.60
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Solution
The fourth proportional to 5,028,442, 6,939,116.88 and 2,736,553.60 is: 3,776,371.54
Step by Step Solution
- Step 1: Write the proportion equation
5,028,442 : 6,939,116.88 = 2,736,553.60 : x - Step 2: Convert to fraction form
5,028,442/6,939,116.88 = 2,736,553.60/x - Step 3: Cross multiply
5,028,442x = 6,939,116.88 × 2,736,553.60 - Step 4: Simplify right side
5,028,442x = 18,989,265,278,784.77 - Step 5: Solve for x
x = 18,989,265,278,784.77/5,028,442 - Step 6: Final answer
x = 3,776,371.54
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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.