Finding the Fourth Proportional to 1,246,116.34, 1,869,723.99 and 1,192,307.03
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Solution
The fourth proportional to 1,246,116.34, 1,869,723.99 and 1,192,307.03 is: 1,788,986.30
Step by Step Solution
- Step 1: Write the proportion equation
1,246,116.34 : 1,869,723.99 = 1,192,307.03 : x - Step 2: Convert to fraction form
1,246,116.34/1,869,723.99 = 1,192,307.03/x - Step 3: Cross multiply
1,246,116.34x = 1,869,723.99 × 1,192,307.03 - Step 4: Simplify right side
1,246,116.34x = 2,229,285,057,436.65 - Step 5: Solve for x
x = 2,229,285,057,436.65/1,246,116.34 - Step 6: Final answer
x = 1,788,986.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.