Finding the Fourth Proportional to 3,780,344.68, 5,217,870.18 and 2,149,707.88
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Solution
The fourth proportional to 3,780,344.68, 5,217,870.18 and 2,149,707.88 is: 2,967,162.41
Step by Step Solution
- Step 1: Write the proportion equation
3,780,344.68 : 5,217,870.18 = 2,149,707.88 : x - Step 2: Convert to fraction form
3,780,344.68/5,217,870.18 = 2,149,707.88/x - Step 3: Cross multiply
3,780,344.68x = 5,217,870.18 × 2,149,707.88 - Step 4: Simplify right side
3,780,344.68x = 11,216,896,642,763.02 - Step 5: Solve for x
x = 11,216,896,642,763.02/3,780,344.68 - Step 6: Final answer
x = 2,967,162.41
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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.