Finding the Fourth Proportional to 2,117,580.19, 3,176,107.65 and 1,253,529.25
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Solution
The fourth proportional to 2,117,580.19, 3,176,107.65 and 1,253,529.25 is: 1,880,138.40
Step by Step Solution
- Step 1: Write the proportion equation
2,117,580.19 : 3,176,107.65 = 1,253,529.25 : x - Step 2: Convert to fraction form
2,117,580.19/3,176,107.65 = 1,253,529.25/x - Step 3: Cross multiply
2,117,580.19x = 3,176,107.65 × 1,253,529.25 - Step 4: Simplify right side
2,117,580.19x = 3,981,343,840,423.76 - Step 5: Solve for x
x = 3,981,343,840,423.76/2,117,580.19 - Step 6: Final answer
x = 1,880,138.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.