Finding the Fourth Proportional to 1,436,306.94, 2,154,775.74 and 425,508.03
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Solution
The fourth proportional to 1,436,306.94, 2,154,775.74 and 425,508.03 is: 638,355.46
Step by Step Solution
- Step 1: Write the proportion equation
1,436,306.94 : 2,154,775.74 = 425,508.03 : x - Step 2: Convert to fraction form
1,436,306.94/2,154,775.74 = 425,508.03/x - Step 3: Cross multiply
1,436,306.94x = 2,154,775.74 × 425,508.03 - Step 4: Simplify right side
1,436,306.94x = 916,874,380,219.19 - Step 5: Solve for x
x = 916,874,380,219.19/1,436,306.94 - Step 6: Final answer
x = 638,355.46
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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.