Finding the Fourth Proportional to 1,532,916.96, 2,115,490.68 and 853,853.28
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Solution
The fourth proportional to 1,532,916.96, 2,115,490.68 and 853,853.28 is: 1,178,353.89
Step by Step Solution
- Step 1: Write the proportion equation
1,532,916.96 : 2,115,490.68 = 853,853.28 : x - Step 2: Convert to fraction form
1,532,916.96/2,115,490.68 = 853,853.28/x - Step 3: Cross multiply
1,532,916.96x = 2,115,490.68 × 853,853.28 - Step 4: Simplify right side
1,532,916.96x = 1,806,318,655,927.43 - Step 5: Solve for x
x = 1,806,318,655,927.43/1,532,916.96 - Step 6: Final answer
x = 1,178,353.89
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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.