Finding the Fourth Proportional to 1,412,306.16, 2,118,420.09 and 513,764.52
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Solution
The fourth proportional to 1,412,306.16, 2,118,420.09 and 513,764.52 is: 770,632.54
Step by Step Solution
- Step 1: Write the proportion equation
1,412,306.16 : 2,118,420.09 = 513,764.52 : x - Step 2: Convert to fraction form
1,412,306.16/2,118,420.09 = 513,764.52/x - Step 3: Cross multiply
1,412,306.16x = 2,118,420.09 × 513,764.52 - Step 4: Simplify right side
1,412,306.16x = 1,088,369,080,697.21 - Step 5: Solve for x
x = 1,088,369,080,697.21/1,412,306.16 - Step 6: Final answer
x = 770,632.54
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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.