Finding the Fourth Proportional to 5,146,871.96, 7,720,363.37 and 1,552,670.05
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Solution
The fourth proportional to 5,146,871.96, 7,720,363.37 and 1,552,670.05 is: 2,329,021.80
Step by Step Solution
- Step 1: Write the proportion equation
5,146,871.96 : 7,720,363.37 = 1,552,670.05 : x - Step 2: Convert to fraction form
5,146,871.96/7,720,363.37 = 1,552,670.05/x - Step 3: Cross multiply
5,146,871.96x = 7,720,363.37 × 1,552,670.05 - Step 4: Simplify right side
5,146,871.96x = 11,987,176,979,716.07 - Step 5: Solve for x
x = 11,987,176,979,716.07/5,146,871.96 - Step 6: Final answer
x = 2,329,021.80
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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.