Finding the Fourth Proportional to 2,177,811.57, 3,267,381.96 and 1,113,601.17
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Solution
The fourth proportional to 2,177,811.57, 3,267,381.96 and 1,113,601.17 is: 1,670,741.59
Step by Step Solution
- Step 1: Write the proportion equation
2,177,811.57 : 3,267,381.96 = 1,113,601.17 : x - Step 2: Convert to fraction form
2,177,811.57/3,267,381.96 = 1,113,601.17/x - Step 3: Cross multiply
2,177,811.57x = 3,267,381.96 × 1,113,601.17 - Step 4: Simplify right side
2,177,811.57x = 3,638,560,373,492.89 - Step 5: Solve for x
x = 3,638,560,373,492.89/2,177,811.57 - Step 6: Final answer
x = 1,670,741.59
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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.