Finding the Fourth Proportional to 1,861,719.84, 2,569,183.68 and 1,045,957.92
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Solution
The fourth proportional to 1,861,719.84, 2,569,183.68 and 1,045,957.92 is: 1,443,427.72
Step by Step Solution
- Step 1: Write the proportion equation
1,861,719.84 : 2,569,183.68 = 1,045,957.92 : x - Step 2: Convert to fraction form
1,861,719.84/2,569,183.68 = 1,045,957.92/x - Step 3: Cross multiply
1,861,719.84x = 2,569,183.68 × 1,045,957.92 - Step 4: Simplify right side
1,861,719.84x = 2,687,258,018,030.75 - Step 5: Solve for x
x = 2,687,258,018,030.75/1,861,719.84 - Step 6: Final answer
x = 1,443,427.72
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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.