Finding the Fourth Proportional to 4,239,689.68, 5,850,767.56 and 2,428,860.88
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Solution
The fourth proportional to 4,239,689.68, 5,850,767.56 and 2,428,860.88 is: 3,351,825.61
Step by Step Solution
- Step 1: Write the proportion equation
4,239,689.68 : 5,850,767.56 = 2,428,860.88 : x - Step 2: Convert to fraction form
4,239,689.68/5,850,767.56 = 2,428,860.88/x - Step 3: Cross multiply
4,239,689.68x = 5,850,767.56 × 2,428,860.88 - Step 4: Simplify right side
4,239,689.68x = 14,210,700,444,457.05 - Step 5: Solve for x
x = 14,210,700,444,457.05/4,239,689.68 - Step 6: Final answer
x = 3,351,825.61
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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.