Finding the Fourth Proportional to 2,288,468.40, 3,432,702.60 and 2,183,492.40
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Solution
The fourth proportional to 2,288,468.40, 3,432,702.60 and 2,183,492.40 is: 3,275,238.60
Step by Step Solution
- Step 1: Write the proportion equation
2,288,468.40 : 3,432,702.60 = 2,183,492.40 : x - Step 2: Convert to fraction form
2,288,468.40/3,432,702.60 = 2,183,492.40/x - Step 3: Cross multiply
2,288,468.40x = 3,432,702.60 × 2,183,492.40 - Step 4: Simplify right side
2,288,468.40x = 7,495,280,038,560.24 - Step 5: Solve for x
x = 7,495,280,038,560.24/2,288,468.40 - Step 6: Final answer
x = 3,275,238.60
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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.