Finding the Fourth Proportional to 4,368,414.80, 6,551,455.80 and 1,528,230.80
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Solution
The fourth proportional to 4,368,414.80, 6,551,455.80 and 1,528,230.80 is: 2,291,938.15
Step by Step Solution
- Step 1: Write the proportion equation
4,368,414.80 : 6,551,455.80 = 1,528,230.80 : x - Step 2: Convert to fraction form
4,368,414.80/6,551,455.80 = 1,528,230.80/x - Step 3: Cross multiply
4,368,414.80x = 6,551,455.80 × 1,528,230.80 - Step 4: Simplify right side
4,368,414.80x = 10,012,136,538,398.64 - Step 5: Solve for x
x = 10,012,136,538,398.64/4,368,414.80 - Step 6: Final answer
x = 2,291,938.15
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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.