Finding the Fourth Proportional to 4,977,405.70, 7,466,108.55 and 2,457,981.70
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Solution
The fourth proportional to 4,977,405.70, 7,466,108.55 and 2,457,981.70 is: 3,686,972.55
Step by Step Solution
- Step 1: Write the proportion equation
4,977,405.70 : 7,466,108.55 = 2,457,981.70 : x - Step 2: Convert to fraction form
4,977,405.70/7,466,108.55 = 2,457,981.70/x - Step 3: Cross multiply
4,977,405.70x = 7,466,108.55 × 2,457,981.70 - Step 4: Simplify right side
4,977,405.70x = 18,351,558,186,113.54 - Step 5: Solve for x
x = 18,351,558,186,113.54/4,977,405.70 - Step 6: Final answer
x = 3,686,972.55
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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.