Finding the Fourth Proportional to 3,812,533.86, 5,261,139.28 and 2,070,135.02
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Solution
The fourth proportional to 3,812,533.86, 5,261,139.28 and 2,070,135.02 is: 2,856,700.84
Step by Step Solution
- Step 1: Write the proportion equation
3,812,533.86 : 5,261,139.28 = 2,070,135.02 : x - Step 2: Convert to fraction form
3,812,533.86/5,261,139.28 = 2,070,135.02/x - Step 3: Cross multiply
3,812,533.86x = 5,261,139.28 × 2,070,135.02 - Step 4: Simplify right side
3,812,533.86x = 10,891,268,684,366.10 - Step 5: Solve for x
x = 10,891,268,684,366.10/3,812,533.86 - Step 6: Final answer
x = 2,856,700.84
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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.