Finding the Fourth Proportional to 3,749,065.56, 5,169,839.99 and 3,206,995.74
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Solution
The fourth proportional to 3,749,065.56, 5,169,839.99 and 3,206,995.74 is: 4,422,343.26
Step by Step Solution
- Step 1: Write the proportion equation
3,749,065.56 : 5,169,839.99 = 3,206,995.74 : x - Step 2: Convert to fraction form
3,749,065.56/5,169,839.99 = 3,206,995.74/x - Step 3: Cross multiply
3,749,065.56x = 5,169,839.99 × 3,206,995.74 - Step 4: Simplify right side
3,749,065.56x = 16,579,654,808,376.67 - Step 5: Solve for x
x = 16,579,654,808,376.67/3,749,065.56 - Step 6: Final answer
x = 4,422,343.26
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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.