Finding the Fourth Proportional to 4,311,219.60, 6,471,084.06 and 2,289,457.71
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Solution
The fourth proportional to 4,311,219.60, 6,471,084.06 and 2,289,457.71 is: 3,436,445.99
Step by Step Solution
- Step 1: Write the proportion equation
4,311,219.60 : 6,471,084.06 = 2,289,457.71 : x - Step 2: Convert to fraction form
4,311,219.60/6,471,084.06 = 2,289,457.71/x - Step 3: Cross multiply
4,311,219.60x = 6,471,084.06 × 2,289,457.71 - Step 4: Simplify right side
4,311,219.60x = 14,815,273,293,225.10 - Step 5: Solve for x
x = 14,815,273,293,225.10/4,311,219.60 - Step 6: Final answer
x = 3,436,445.99
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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.