Finding the Fourth Proportional to 2,017,578.52, 2,784,277.02 and 1,112,192.92
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Solution
The fourth proportional to 2,017,578.52, 2,784,277.02 and 1,112,192.92 is: 1,534,836.52
Step by Step Solution
- Step 1: Write the proportion equation
2,017,578.52 : 2,784,277.02 = 1,112,192.92 : x - Step 2: Convert to fraction form
2,017,578.52/2,784,277.02 = 1,112,192.92/x - Step 3: Cross multiply
2,017,578.52x = 2,784,277.02 × 1,112,192.92 - Step 4: Simplify right side
2,017,578.52x = 3,096,653,188,962.70 - Step 5: Solve for x
x = 3,096,653,188,962.70/2,017,578.52 - Step 6: Final answer
x = 1,534,836.52
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1.5x scale
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.