Finding the Fourth Proportional to 3,237,414.57, 4,467,642.80 and 1,787,106.56
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Solution
The fourth proportional to 3,237,414.57, 4,467,642.80 and 1,787,106.56 is: 2,466,212.95
Step by Step Solution
- Step 1: Write the proportion equation
3,237,414.57 : 4,467,642.80 = 1,787,106.56 : x - Step 2: Convert to fraction form
3,237,414.57/4,467,642.80 = 1,787,106.56/x - Step 3: Cross multiply
3,237,414.57x = 4,467,642.80 × 1,787,106.56 - Step 4: Simplify right side
3,237,414.57x = 7,984,153,724,343.02 - Step 5: Solve for x
x = 7,984,153,724,343.02/3,237,414.57 - Step 6: Final answer
x = 2,466,212.95
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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.