Finding the Fourth Proportional to 2,153,626.72, 2,972,134.96 and 1,186,755.36
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Solution
The fourth proportional to 2,153,626.72, 2,972,134.96 and 1,186,755.36 is: 1,637,794.08
Step by Step Solution
- Step 1: Write the proportion equation
2,153,626.72 : 2,972,134.96 = 1,186,755.36 : x - Step 2: Convert to fraction form
2,153,626.72/2,972,134.96 = 1,186,755.36/x - Step 3: Cross multiply
2,153,626.72x = 2,972,134.96 × 1,186,755.36 - Step 4: Simplify right side
2,153,626.72x = 3,527,197,094,423.39 - Step 5: Solve for x
x = 3,527,197,094,423.39/2,153,626.72 - Step 6: Final answer
x = 1,637,794.08
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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.