Finding the Fourth Proportional to 1,518,509.44, 2,278,237.98 and 453,593.52
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Solution
The fourth proportional to 1,518,509.44, 2,278,237.98 and 453,593.52 is: 680,531.81
Step by Step Solution
- Step 1: Write the proportion equation
1,518,509.44 : 2,278,237.98 = 453,593.52 : x - Step 2: Convert to fraction form
1,518,509.44/2,278,237.98 = 453,593.52/x - Step 3: Cross multiply
1,518,509.44x = 2,278,237.98 × 453,593.52 - Step 4: Simplify right side
1,518,509.44x = 1,033,393,984,745.89 - Step 5: Solve for x
x = 1,033,393,984,745.89/1,518,509.44 - Step 6: Final answer
x = 680,531.81
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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.