Finding the Fourth Proportional to 2,812,736.18, 3,881,572.27 and 1,523,581.70
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Solution
The fourth proportional to 2,812,736.18, 3,881,572.27 and 1,523,581.70 is: 2,102,540.75
Step by Step Solution
- Step 1: Write the proportion equation
2,812,736.18 : 3,881,572.27 = 1,523,581.70 : x - Step 2: Convert to fraction form
2,812,736.18/3,881,572.27 = 1,523,581.70/x - Step 3: Cross multiply
2,812,736.18x = 3,881,572.27 × 1,523,581.70 - Step 4: Simplify right side
2,812,736.18x = 5,913,892,454,582.64 - Step 5: Solve for x
x = 5,913,892,454,582.64/2,812,736.18 - Step 6: Final answer
x = 2,102,540.75
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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.