Finding the Fourth Proportional to 1,366,020.45, 2,048,656.62 and 513,026.12
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Solution
The fourth proportional to 1,366,020.45, 2,048,656.62 and 513,026.12 is: 769,398.70
Step by Step Solution
- Step 1: Write the proportion equation
1,366,020.45 : 2,048,656.62 = 513,026.12 : x - Step 2: Convert to fraction form
1,366,020.45/2,048,656.62 = 513,026.12/x - Step 3: Cross multiply
1,366,020.45x = 2,048,656.62 × 513,026.12 - Step 4: Simplify right side
1,366,020.45x = 1,051,014,351,586.01 - Step 5: Solve for x
x = 1,051,014,351,586.01/1,366,020.45 - Step 6: Final answer
x = 769,398.70
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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.