Finding the Fourth Proportional to 1,617,122.58, 2,231,590.06 and 891,954.72
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Solution
The fourth proportional to 1,617,122.58, 2,231,590.06 and 891,954.72 is: 1,230,875.95
Step by Step Solution
- Step 1: Write the proportion equation
1,617,122.58 : 2,231,590.06 = 891,954.72 : x - Step 2: Convert to fraction form
1,617,122.58/2,231,590.06 = 891,954.72/x - Step 3: Cross multiply
1,617,122.58x = 2,231,590.06 × 891,954.72 - Step 4: Simplify right side
1,617,122.58x = 1,990,477,288,237.03 - Step 5: Solve for x
x = 1,990,477,288,237.03/1,617,122.58 - Step 6: Final answer
x = 1,230,875.95
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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.