Finding the Fourth Proportional to 1,617,577.20, 2,232,241.08 and 892,430.76
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Solution
The fourth proportional to 1,617,577.20, 2,232,241.08 and 892,430.76 is: 1,231,545.92
Step by Step Solution
- Step 1: Write the proportion equation
1,617,577.20 : 2,232,241.08 = 892,430.76 : x - Step 2: Convert to fraction form
1,617,577.20/2,232,241.08 = 892,430.76/x - Step 3: Cross multiply
1,617,577.20x = 2,232,241.08 × 892,430.76 - Step 4: Simplify right side
1,617,577.20x = 1,992,120,603,527.62 - Step 5: Solve for x
x = 1,992,120,603,527.62/1,617,577.20 - Step 6: Final answer
x = 1,231,545.92
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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.