Finding the Fourth Proportional to 4,057,117.99, 5,598,956.45 and 2,221,653.74
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Solution
The fourth proportional to 4,057,117.99, 5,598,956.45 and 2,221,653.74 is: 3,065,955.33
Step by Step Solution
- Step 1: Write the proportion equation
4,057,117.99 : 5,598,956.45 = 2,221,653.74 : x - Step 2: Convert to fraction form
4,057,117.99/5,598,956.45 = 2,221,653.74/x - Step 3: Cross multiply
4,057,117.99x = 5,598,956.45 × 2,221,653.74 - Step 4: Simplify right side
4,057,117.99x = 12,438,942,514,798.97 - Step 5: Solve for x
x = 12,438,942,514,798.97/4,057,117.99 - Step 6: Final answer
x = 3,065,955.33
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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.