Finding the Fourth Proportional to 3,386,668.49, 4,672,395.99 and 2,008,956.90
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Solution
The fourth proportional to 3,386,668.49, 4,672,395.99 and 2,008,956.90 is: 2,771,644.82
Step by Step Solution
- Step 1: Write the proportion equation
3,386,668.49 : 4,672,395.99 = 2,008,956.90 : x - Step 2: Convert to fraction form
3,386,668.49/4,672,395.99 = 2,008,956.90/x - Step 3: Cross multiply
3,386,668.49x = 4,672,395.99 × 2,008,956.90 - Step 4: Simplify right side
3,386,668.49x = 9,386,642,163,642.83 - Step 5: Solve for x
x = 9,386,642,163,642.83/3,386,668.49 - Step 6: Final answer
x = 2,771,644.82
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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.