Finding the Fourth Proportional to 3,274,289.60, 4,912,101.12 and 1,381,038.08
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Solution
The fourth proportional to 3,274,289.60, 4,912,101.12 and 1,381,038.08 is: 2,071,838.33
Step by Step Solution
- Step 1: Write the proportion equation
3,274,289.60 : 4,912,101.12 = 1,381,038.08 : x - Step 2: Convert to fraction form
3,274,289.60/4,912,101.12 = 1,381,038.08/x - Step 3: Cross multiply
3,274,289.60x = 4,912,101.12 × 1,381,038.08 - Step 4: Simplify right side
3,274,289.60x = 6,783,798,699,530.65 - Step 5: Solve for x
x = 6,783,798,699,530.65/3,274,289.60 - Step 6: Final answer
x = 2,071,838.33
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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.