Finding the Fourth Proportional to 2,793,904.20, 4,190,856.30 and 2,528,183.70
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Solution
The fourth proportional to 2,793,904.20, 4,190,856.30 and 2,528,183.70 is: 3,792,275.55
Step by Step Solution
- Step 1: Write the proportion equation
2,793,904.20 : 4,190,856.30 = 2,528,183.70 : x - Step 2: Convert to fraction form
2,793,904.20/4,190,856.30 = 2,528,183.70/x - Step 3: Cross multiply
2,793,904.20x = 4,190,856.30 × 2,528,183.70 - Step 4: Simplify right side
2,793,904.20x = 10,595,254,586,702.31 - Step 5: Solve for x
x = 10,595,254,586,702.31/2,793,904.20 - Step 6: Final answer
x = 3,792,275.55
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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.