Finding the Fourth Proportional to 1,612,916.12, 2,225,806.68 and 887,748.30
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Solution
The fourth proportional to 1,612,916.12, 2,225,806.68 and 887,748.30 is: 1,225,082.99
Step by Step Solution
- Step 1: Write the proportion equation
1,612,916.12 : 2,225,806.68 = 887,748.30 : x - Step 2: Convert to fraction form
1,612,916.12/2,225,806.68 = 887,748.30/x - Step 3: Cross multiply
1,612,916.12x = 2,225,806.68 × 887,748.30 - Step 4: Simplify right side
1,612,916.12x = 1,975,956,096,298.64 - Step 5: Solve for x
x = 1,975,956,096,298.64/1,612,916.12 - Step 6: Final answer
x = 1,225,082.99
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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.