Finding the Fourth Proportional to 4,138,358.99, 5,707,700.10 and 2,688,521.58
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Solution
The fourth proportional to 4,138,358.99, 5,707,700.10 and 2,688,521.58 is: 3,708,057.94
Step by Step Solution
- Step 1: Write the proportion equation
4,138,358.99 : 5,707,700.10 = 2,688,521.58 : x - Step 2: Convert to fraction form
4,138,358.99/5,707,700.10 = 2,688,521.58/x - Step 3: Cross multiply
4,138,358.99x = 5,707,700.10 × 2,688,521.58 - Step 4: Simplify right side
4,138,358.99x = 15,345,274,891,018.16 - Step 5: Solve for x
x = 15,345,274,891,018.16/4,138,358.99 - Step 6: Final answer
x = 3,708,057.94
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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.