Finding the Fourth Proportional to 5,147,480.10, 7,721,278.47 and 1,553,281.68
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Solution
The fourth proportional to 5,147,480.10, 7,721,278.47 and 1,553,281.68 is: 2,329,940.12
Step by Step Solution
- Step 1: Write the proportion equation
5,147,480.10 : 7,721,278.47 = 1,553,281.68 : x - Step 2: Convert to fraction form
5,147,480.10/7,721,278.47 = 1,553,281.68/x - Step 3: Cross multiply
5,147,480.10x = 7,721,278.47 × 1,553,281.68 - Step 4: Simplify right side
5,147,480.10x = 11,993,320,393,629.43 - Step 5: Solve for x
x = 11,993,320,393,629.43/5,147,480.10 - Step 6: Final answer
x = 2,329,940.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.