Finding the Fourth Proportional to 3,614,911.74, 5,422,386.18 and 1,218,777.12
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Solution
The fourth proportional to 3,614,911.74, 5,422,386.18 and 1,218,777.12 is: 1,828,171.94
Step by Step Solution
- Step 1: Write the proportion equation
3,614,911.74 : 5,422,386.18 = 1,218,777.12 : x - Step 2: Convert to fraction form
3,614,911.74/5,422,386.18 = 1,218,777.12/x - Step 3: Cross multiply
3,614,911.74x = 5,422,386.18 × 1,218,777.12 - Step 4: Simplify right side
3,614,911.74x = 6,608,680,211,988.20 - Step 5: Solve for x
x = 6,608,680,211,988.20/3,614,911.74 - Step 6: Final answer
x = 1,828,171.94
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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.