Finding the Fourth Proportional to 1,411,786.62, 2,118,095.58 and 513,214.20
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Solution
The fourth proportional to 1,411,786.62, 2,118,095.58 and 513,214.20 is: 769,972.40
Step by Step Solution
- Step 1: Write the proportion equation
1,411,786.62 : 2,118,095.58 = 513,214.20 : x - Step 2: Convert to fraction form
1,411,786.62/2,118,095.58 = 513,214.20/x - Step 3: Cross multiply
1,411,786.62x = 2,118,095.58 × 513,214.20 - Step 4: Simplify right side
1,411,786.62x = 1,087,036,728,613.24 - Step 5: Solve for x
x = 1,087,036,728,613.24/1,411,786.62 - Step 6: Final answer
x = 769,972.40
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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.