Finding the Fourth Proportional to 1,687,192.80, 2,328,325.68 and 923,246.08
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Solution
The fourth proportional to 1,687,192.80, 2,328,325.68 and 923,246.08 is: 1,274,079.38
Step by Step Solution
- Step 1: Write the proportion equation
1,687,192.80 : 2,328,325.68 = 923,246.08 : x - Step 2: Convert to fraction form
1,687,192.80/2,328,325.68 = 923,246.08/x - Step 3: Cross multiply
1,687,192.80x = 2,328,325.68 × 923,246.08 - Step 4: Simplify right side
1,687,192.80x = 2,149,617,557,023.33 - Step 5: Solve for x
x = 2,149,617,557,023.33/1,687,192.80 - Step 6: Final answer
x = 1,274,079.38
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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.