Finding the Fourth Proportional to 4,215,783.15, 6,319,799.73 and 1,519,448.43
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Solution
The fourth proportional to 4,215,783.15, 6,319,799.73 and 1,519,448.43 is: 2,277,776.02
Step by Step Solution
- Step 1: Write the proportion equation
4,215,783.15 : 6,319,799.73 = 1,519,448.43 : x - Step 2: Convert to fraction form
4,215,783.15/6,319,799.73 = 1,519,448.43/x - Step 3: Cross multiply
4,215,783.15x = 6,319,799.73 × 1,519,448.43 - Step 4: Simplify right side
4,215,783.15x = 9,602,609,777,662.92 - Step 5: Solve for x
x = 9,602,609,777,662.92/4,215,783.15 - Step 6: Final answer
x = 2,277,776.02
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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.