Finding the Fourth Proportional to 4,724,043.20, 7,087,101.60 and 1,528,625.60
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Solution
The fourth proportional to 4,724,043.20, 7,087,101.60 and 1,528,625.60 is: 2,293,273.89
Step by Step Solution
- Step 1: Write the proportion equation
4,724,043.20 : 7,087,101.60 = 1,528,625.60 : x - Step 2: Convert to fraction form
4,724,043.20/7,087,101.60 = 1,528,625.60/x - Step 3: Cross multiply
4,724,043.20x = 7,087,101.60 × 1,528,625.60 - Step 4: Simplify right side
4,724,043.20x = 10,833,524,935,560.96 - Step 5: Solve for x
x = 10,833,524,935,560.96/4,724,043.20 - Step 6: Final answer
x = 2,293,273.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.