Finding the Fourth Proportional to 4,230,183.12, 5,835,490.20 and 2,700,682.80
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Solution
The fourth proportional to 4,230,183.12, 5,835,490.20 and 2,700,682.80 is: 3,725,561.65
Step by Step Solution
- Step 1: Write the proportion equation
4,230,183.12 : 5,835,490.20 = 2,700,682.80 : x - Step 2: Convert to fraction form
4,230,183.12/5,835,490.20 = 2,700,682.80/x - Step 3: Cross multiply
4,230,183.12x = 5,835,490.20 × 2,700,682.80 - Step 4: Simplify right side
4,230,183.12x = 15,759,808,012,708.56 - Step 5: Solve for x
x = 15,759,808,012,708.56/4,230,183.12 - Step 6: Final answer
x = 3,725,561.65
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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.