Finding the Fourth Proportional to 3,184,951.20, 4,779,482.12 and 1,163,025.84
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Solution
The fourth proportional to 3,184,951.20, 4,779,482.12 and 1,163,025.84 is: 1,745,289.29
Step by Step Solution
- Step 1: Write the proportion equation
3,184,951.20 : 4,779,482.12 = 1,163,025.84 : x - Step 2: Convert to fraction form
3,184,951.20/4,779,482.12 = 1,163,025.84/x - Step 3: Cross multiply
3,184,951.20x = 4,779,482.12 × 1,163,025.84 - Step 4: Simplify right side
3,184,951.20x = 5,558,661,207,377.98 - Step 5: Solve for x
x = 5,558,661,207,377.98/3,184,951.20 - Step 6: Final answer
x = 1,745,289.29
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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.