Finding the Fourth Proportional to 2,184,301.20, 3,014,349.68 and 1,217,492.88
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Solution
The fourth proportional to 2,184,301.20, 3,014,349.68 and 1,217,492.88 is: 1,680,147.99
Step by Step Solution
- Step 1: Write the proportion equation
2,184,301.20 : 3,014,349.68 = 1,217,492.88 : x - Step 2: Convert to fraction form
2,184,301.20/3,014,349.68 = 1,217,492.88/x - Step 3: Cross multiply
2,184,301.20x = 3,014,349.68 × 1,217,492.88 - Step 4: Simplify right side
2,184,301.20x = 3,669,949,273,230.28 - Step 5: Solve for x
x = 3,669,949,273,230.28/2,184,301.20 - Step 6: Final answer
x = 1,680,147.99
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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.