Finding the Fourth Proportional to 5,352,097.19, 7,385,891.28 and 3,028,947.53
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Solution
The fourth proportional to 5,352,097.19, 7,385,891.28 and 3,028,947.53 is: 4,179,945.98
Step by Step Solution
- Step 1: Write the proportion equation
5,352,097.19 : 7,385,891.28 = 3,028,947.53 : x - Step 2: Convert to fraction form
5,352,097.19/7,385,891.28 = 3,028,947.53/x - Step 3: Cross multiply
5,352,097.19x = 7,385,891.28 × 3,028,947.53 - Step 4: Simplify right side
5,352,097.19x = 22,371,477,149,404.54 - Step 5: Solve for x
x = 22,371,477,149,404.54/5,352,097.19 - Step 6: Final answer
x = 4,179,945.98
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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.