Finding the Fourth Proportional to 5,122,358.40, 7,684,866.12 and 2,724,231.12
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Solution
The fourth proportional to 5,122,358.40, 7,684,866.12 and 2,724,231.12 is: 4,087,053.23
Step by Step Solution
- Step 1: Write the proportion equation
5,122,358.40 : 7,684,866.12 = 2,724,231.12 : x - Step 2: Convert to fraction form
5,122,358.40/7,684,866.12 = 2,724,231.12/x - Step 3: Cross multiply
5,122,358.40x = 7,684,866.12 × 2,724,231.12 - Step 4: Simplify right side
5,122,358.40x = 20,935,351,437,137.66 - Step 5: Solve for x
x = 20,935,351,437,137.66/5,122,358.40 - Step 6: Final answer
x = 4,087,053.23
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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.