Finding the Fourth Proportional to 5,054,659.12, 6,976,683.08 and 2,880,492.20
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Solution
The fourth proportional to 5,054,659.12, 6,976,683.08 and 2,880,492.20 is: 3,975,793.56
Step by Step Solution
- Step 1: Write the proportion equation
5,054,659.12 : 6,976,683.08 = 2,880,492.20 : x - Step 2: Convert to fraction form
5,054,659.12/6,976,683.08 = 2,880,492.20/x - Step 3: Cross multiply
5,054,659.12x = 6,976,683.08 × 2,880,492.20 - Step 4: Simplify right side
5,054,659.12x = 20,096,281,193,811.98 - Step 5: Solve for x
x = 20,096,281,193,811.98/5,054,659.12 - Step 6: Final answer
x = 3,975,793.56
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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.