Finding the Fourth Proportional to 2,693,143.80, 4,039,715.70 and 1,197,235.80
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Solution
The fourth proportional to 2,693,143.80, 4,039,715.70 and 1,197,235.80 is: 1,795,853.70
Step by Step Solution
- Step 1: Write the proportion equation
2,693,143.80 : 4,039,715.70 = 1,197,235.80 : x - Step 2: Convert to fraction form
2,693,143.80/4,039,715.70 = 1,197,235.80/x - Step 3: Cross multiply
2,693,143.80x = 4,039,715.70 × 1,197,235.80 - Step 4: Simplify right side
2,693,143.80x = 4,836,492,257,862.06 - Step 5: Solve for x
x = 4,836,492,257,862.06/2,693,143.80 - Step 6: Final answer
x = 1,795,853.70
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1.5x scale
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.