Finding the Fourth Proportional to 3,188,230.24, 4,779,023.68 and 1,390,631.08
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Solution
The fourth proportional to 3,188,230.24, 4,779,023.68 and 1,390,631.08 is: 2,084,497.78
Step by Step Solution
- Step 1: Write the proportion equation
3,188,230.24 : 4,779,023.68 = 1,390,631.08 : x - Step 2: Convert to fraction form
3,188,230.24/4,779,023.68 = 1,390,631.08/x - Step 3: Cross multiply
3,188,230.24x = 4,779,023.68 × 1,390,631.08 - Step 4: Simplify right side
3,188,230.24x = 6,645,858,861,463.98 - Step 5: Solve for x
x = 6,645,858,861,463.98/3,188,230.24 - Step 6: Final answer
x = 2,084,497.78
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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.