Finding the Fourth Proportional to 4,689,011.08, 6,469,406.58 and 2,623,812.40
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Solution
The fourth proportional to 4,689,011.08, 6,469,406.58 and 2,623,812.40 is: 3,620,061.65
Step by Step Solution
- Step 1: Write the proportion equation
4,689,011.08 : 6,469,406.58 = 2,623,812.40 : x - Step 2: Convert to fraction form
4,689,011.08/6,469,406.58 = 2,623,812.40/x - Step 3: Cross multiply
4,689,011.08x = 6,469,406.58 × 2,623,812.40 - Step 4: Simplify right side
4,689,011.08x = 16,974,509,205,245.59 - Step 5: Solve for x
x = 16,974,509,205,245.59/4,689,011.08 - Step 6: Final answer
x = 3,620,061.65
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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.