Finding the Fourth Proportional to 2,811,875.58, 3,880,391.94 and 1,522,717.92
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Solution
The fourth proportional to 2,811,875.58, 3,880,391.94 and 1,522,717.92 is: 2,101,352.70
Step by Step Solution
- Step 1: Write the proportion equation
2,811,875.58 : 3,880,391.94 = 1,522,717.92 : x - Step 2: Convert to fraction form
2,811,875.58/3,880,391.94 = 1,522,717.92/x - Step 3: Cross multiply
2,811,875.58x = 3,880,391.94 × 1,522,717.92 - Step 4: Simplify right side
2,811,875.58x = 5,908,742,343,661.57 - Step 5: Solve for x
x = 5,908,742,343,661.57/2,811,875.58 - Step 6: Final answer
x = 2,101,352.70
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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.