Finding the Fourth Proportional to 3,165,736.79, 4,368,233.58 and 1,788,578.02
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Solution
The fourth proportional to 3,165,736.79, 4,368,233.58 and 1,788,578.02 is: 2,467,964.67
Step by Step Solution
- Step 1: Write the proportion equation
3,165,736.79 : 4,368,233.58 = 1,788,578.02 : x - Step 2: Convert to fraction form
3,165,736.79/4,368,233.58 = 1,788,578.02/x - Step 3: Cross multiply
3,165,736.79x = 4,368,233.58 × 1,788,578.02 - Step 4: Simplify right side
3,165,736.79x = 7,812,926,545,572.74 - Step 5: Solve for x
x = 7,812,926,545,572.74/3,165,736.79 - Step 6: Final answer
x = 2,467,964.67
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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.