Finding the Fourth Proportional to 2,533,761.45, 3,496,938.66 and 1,553,527.08
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Solution
The fourth proportional to 2,533,761.45, 3,496,938.66 and 1,553,527.08 is: 2,144,080.65
Step by Step Solution
- Step 1: Write the proportion equation
2,533,761.45 : 3,496,938.66 = 1,553,527.08 : x - Step 2: Convert to fraction form
2,533,761.45/3,496,938.66 = 1,553,527.08/x - Step 3: Cross multiply
2,533,761.45x = 3,496,938.66 × 1,553,527.08 - Step 4: Simplify right side
2,533,761.45x = 5,432,588,905,408.91 - Step 5: Solve for x
x = 5,432,588,905,408.91/2,533,761.45 - Step 6: Final answer
x = 2,144,080.65
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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.