Finding the Fourth Proportional to 2,412,921.42, 3,619,379.21 and 615,805.09
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Solution
The fourth proportional to 2,412,921.42, 3,619,379.21 and 615,805.09 is: 923,706.88
Step by Step Solution
- Step 1: Write the proportion equation
2,412,921.42 : 3,619,379.21 = 615,805.09 : x - Step 2: Convert to fraction form
2,412,921.42/3,619,379.21 = 615,805.09/x - Step 3: Cross multiply
2,412,921.42x = 3,619,379.21 × 615,805.09 - Step 4: Simplify right side
2,412,921.42x = 2,228,832,128,030.71 - Step 5: Solve for x
x = 2,228,832,128,030.71/2,412,921.42 - Step 6: Final answer
x = 923,706.88
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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.