Finding the Fourth Proportional to 1,935,193.76, 2,896,472.70 and 1,422,723.62
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Solution
The fourth proportional to 1,935,193.76, 2,896,472.70 and 1,422,723.62 is: 2,129,440.58
Step by Step Solution
- Step 1: Write the proportion equation
1,935,193.76 : 2,896,472.70 = 1,422,723.62 : x - Step 2: Convert to fraction form
1,935,193.76/2,896,472.70 = 1,422,723.62/x - Step 3: Cross multiply
1,935,193.76x = 2,896,472.70 × 1,422,723.62 - Step 4: Simplify right side
1,935,193.76x = 4,120,880,124,975.18 - Step 5: Solve for x
x = 4,120,880,124,975.18/1,935,193.76 - Step 6: Final answer
x = 2,129,440.58
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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.