Finding the Fourth Proportional to 5,366,381.76, 7,409,763.58 and 4,124,024.24
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Solution
The fourth proportional to 5,366,381.76, 7,409,763.58 and 4,124,024.24 is: 5,694,347.88
Step by Step Solution
- Step 1: Write the proportion equation
5,366,381.76 : 7,409,763.58 = 4,124,024.24 : x - Step 2: Convert to fraction form
5,366,381.76/7,409,763.58 = 4,124,024.24/x - Step 3: Cross multiply
5,366,381.76x = 7,409,763.58 × 4,124,024.24 - Step 4: Simplify right side
5,366,381.76x = 30,558,044,616,589.18 - Step 5: Solve for x
x = 30,558,044,616,589.18/5,366,381.76 - Step 6: Final answer
x = 5,694,347.88
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1.5x scale
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.