Finding the Fourth Proportional to 6,460,249.53, 8,915,542.53 and 3,559,639.95
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Solution
The fourth proportional to 6,460,249.53, 8,915,542.53 and 3,559,639.95 is: 4,912,522.53
Step by Step Solution
- Step 1: Write the proportion equation
6,460,249.53 : 8,915,542.53 = 3,559,639.95 : x - Step 2: Convert to fraction form
6,460,249.53/8,915,542.53 = 3,559,639.95/x - Step 3: Cross multiply
6,460,249.53x = 8,915,542.53 × 3,559,639.95 - Step 4: Simplify right side
6,460,249.53x = 31,736,121,365,712.07 - Step 5: Solve for x
x = 31,736,121,365,712.07/6,460,249.53 - Step 6: Final answer
x = 4,912,522.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.