Finding the Fourth Proportional to 1,323,889.62, 1,821,234.68 and 1,159,807.24
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Solution
The fourth proportional to 1,323,889.62, 1,821,234.68 and 1,159,807.24 is: 1,595,511.54
Step by Step Solution
- Step 1: Write the proportion equation
1,323,889.62 : 1,821,234.68 = 1,159,807.24 : x - Step 2: Convert to fraction form
1,323,889.62/1,821,234.68 = 1,159,807.24/x - Step 3: Cross multiply
1,323,889.62x = 1,821,234.68 × 1,159,807.24 - Step 4: Simplify right side
1,323,889.62x = 2,112,281,167,603.08 - Step 5: Solve for x
x = 2,112,281,167,603.08/1,323,889.62 - Step 6: Final answer
x = 1,595,511.54
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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.