Finding the Fourth Proportional to 2,772,275.05, 4,154,126.28 and 2,163,620.19
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Solution
The fourth proportional to 2,772,275.05, 4,154,126.28 and 2,163,620.19 is: 3,242,085.05
Step by Step Solution
- Step 1: Write the proportion equation
2,772,275.05 : 4,154,126.28 = 2,163,620.19 : x - Step 2: Convert to fraction form
2,772,275.05/4,154,126.28 = 2,163,620.19/x - Step 3: Cross multiply
2,772,275.05x = 4,154,126.28 × 2,163,620.19 - Step 4: Simplify right side
2,772,275.05x = 8,987,951,491,217.59 - Step 5: Solve for x
x = 8,987,951,491,217.59/2,772,275.05 - Step 6: Final answer
x = 3,242,085.05
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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.