Finding the Fourth Proportional to 2,593,342.32, 3,578,615.19 and 1,505,438.70
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Solution
The fourth proportional to 2,593,342.32, 3,578,615.19 and 1,505,438.70 is: 2,077,390.92
Step by Step Solution
- Step 1: Write the proportion equation
2,593,342.32 : 3,578,615.19 = 1,505,438.70 : x - Step 2: Convert to fraction form
2,593,342.32/3,578,615.19 = 1,505,438.70/x - Step 3: Cross multiply
2,593,342.32x = 3,578,615.19 × 1,505,438.70 - Step 4: Simplify right side
2,593,342.32x = 5,387,385,799,433.85 - Step 5: Solve for x
x = 5,387,385,799,433.85/2,593,342.32 - Step 6: Final answer
x = 2,077,390.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.