Finding the Fourth Proportional to 1,493,088.62, 2,238,974.12 and 427,888.94
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Solution
The fourth proportional to 1,493,088.62, 2,238,974.12 and 427,888.94 is: 641,644.61
Step by Step Solution
- Step 1: Write the proportion equation
1,493,088.62 : 2,238,974.12 = 427,888.94 : x - Step 2: Convert to fraction form
1,493,088.62/2,238,974.12 = 427,888.94/x - Step 3: Cross multiply
1,493,088.62x = 2,238,974.12 × 427,888.94 - Step 4: Simplify right side
1,493,088.62x = 958,032,262,894.23 - Step 5: Solve for x
x = 958,032,262,894.23/1,493,088.62 - Step 6: Final answer
x = 641,644.61
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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.