Finding the Fourth Proportional to 4,688,709.18, 6,470,689.84 and 2,623,706.72
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Solution
The fourth proportional to 4,688,709.18, 6,470,689.84 and 2,623,706.72 is: 3,620,867.02
Step by Step Solution
- Step 1: Write the proportion equation
4,688,709.18 : 6,470,689.84 = 2,623,706.72 : x - Step 2: Convert to fraction form
4,688,709.18/6,470,689.84 = 2,623,706.72/x - Step 3: Cross multiply
4,688,709.18x = 6,470,689.84 × 2,623,706.72 - Step 4: Simplify right side
4,688,709.18x = 16,977,192,416,243.73 - Step 5: Solve for x
x = 16,977,192,416,243.73/4,688,709.18 - Step 6: Final answer
x = 3,620,867.02
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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.