Finding the Fourth Proportional to 1,436,314.97, 2,154,787.83 and 425,516.08
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Solution
The fourth proportional to 1,436,314.97, 2,154,787.83 and 425,516.08 is: 638,367.55
Step by Step Solution
- Step 1: Write the proportion equation
1,436,314.97 : 2,154,787.83 = 425,516.08 : x - Step 2: Convert to fraction form
1,436,314.97/2,154,787.83 = 425,516.08/x - Step 3: Cross multiply
1,436,314.97x = 2,154,787.83 × 425,516.08 - Step 4: Simplify right side
1,436,314.97x = 916,896,865,266.34 - Step 5: Solve for x
x = 916,896,865,266.34/1,436,314.97 - Step 6: Final answer
x = 638,367.55
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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.