Finding the Fourth Proportional to 1,686,645.98, 2,529,812.18 and 472,332.50
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Solution
The fourth proportional to 1,686,645.98, 2,529,812.18 and 472,332.50 is: 708,454.84
Step by Step Solution
- Step 1: Write the proportion equation
1,686,645.98 : 2,529,812.18 = 472,332.50 : x - Step 2: Convert to fraction form
1,686,645.98/2,529,812.18 = 472,332.50/x - Step 3: Cross multiply
1,686,645.98x = 2,529,812.18 × 472,332.50 - Step 4: Simplify right side
1,686,645.98x = 1,194,912,511,509.85 - Step 5: Solve for x
x = 1,194,912,511,509.85/1,686,645.98 - Step 6: Final answer
x = 708,454.84
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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.