Finding the Fourth Proportional to 5,166,134.88, 7,750,381.68 and 1,572,411.12
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Solution
The fourth proportional to 5,166,134.88, 7,750,381.68 and 1,572,411.12 is: 2,358,975.64
Step by Step Solution
- Step 1: Write the proportion equation
5,166,134.88 : 7,750,381.68 = 1,572,411.12 : x - Step 2: Convert to fraction form
5,166,134.88/7,750,381.68 = 1,572,411.12/x - Step 3: Cross multiply
5,166,134.88x = 7,750,381.68 × 1,572,411.12 - Step 4: Simplify right side
5,166,134.88x = 12,186,786,337,876.28 - Step 5: Solve for x
x = 12,186,786,337,876.28/5,166,134.88 - Step 6: Final answer
x = 2,358,975.64
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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.