Finding the Fourth Proportional to 1,424,215.08, 2,135,768.97 and 513,154.62
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Solution
The fourth proportional to 1,424,215.08, 2,135,768.97 and 513,154.62 is: 769,532.45
Step by Step Solution
- Step 1: Write the proportion equation
1,424,215.08 : 2,135,768.97 = 513,154.62 : x - Step 2: Convert to fraction form
1,424,215.08/2,135,768.97 = 513,154.62/x - Step 3: Cross multiply
1,424,215.08x = 2,135,768.97 × 513,154.62 - Step 4: Simplify right side
1,424,215.08x = 1,095,979,714,208.14 - Step 5: Solve for x
x = 1,095,979,714,208.14/1,424,215.08 - Step 6: Final answer
x = 769,532.45
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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.