Finding the Fourth Proportional to 3,124,557.28, 4,311,715.60 and 1,747,635.02
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Solution
The fourth proportional to 3,124,557.28, 4,311,715.60 and 1,747,635.02 is: 2,411,639.32
Step by Step Solution
- Step 1: Write the proportion equation
3,124,557.28 : 4,311,715.60 = 1,747,635.02 : x - Step 2: Convert to fraction form
3,124,557.28/4,311,715.60 = 1,747,635.02/x - Step 3: Cross multiply
3,124,557.28x = 4,311,715.60 × 1,747,635.02 - Step 4: Simplify right side
3,124,557.28x = 7,535,305,178,840.31 - Step 5: Solve for x
x = 7,535,305,178,840.31/3,124,557.28 - Step 6: Final answer
x = 2,411,639.32
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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.