Finding the Fourth Proportional to 5,791,225.20, 8,689,948.20 and 2,425,772.40
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Solution
The fourth proportional to 5,791,225.20, 8,689,948.20 and 2,425,772.40 is: 3,639,961.45
Step by Step Solution
- Step 1: Write the proportion equation
5,791,225.20 : 8,689,948.20 = 2,425,772.40 : x - Step 2: Convert to fraction form
5,791,225.20/8,689,948.20 = 2,425,772.40/x - Step 3: Cross multiply
5,791,225.20x = 8,689,948.20 × 2,425,772.40 - Step 4: Simplify right side
5,791,225.20x = 21,079,836,500,989.68 - Step 5: Solve for x
x = 21,079,836,500,989.68/5,791,225.20 - Step 6: Final answer
x = 3,639,961.45
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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.