Finding the Fourth Proportional to 4,209,695.87, 5,809,394.34 and 2,275,970.18
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Solution
The fourth proportional to 4,209,695.87, 5,809,394.34 and 2,275,970.18 is: 3,140,846.44
Step by Step Solution
- Step 1: Write the proportion equation
4,209,695.87 : 5,809,394.34 = 2,275,970.18 : x - Step 2: Convert to fraction form
4,209,695.87/5,809,394.34 = 2,275,970.18/x - Step 3: Cross multiply
4,209,695.87x = 5,809,394.34 × 2,275,970.18 - Step 4: Simplify right side
4,209,695.87x = 13,222,008,252,653.81 - Step 5: Solve for x
x = 13,222,008,252,653.81/4,209,695.87 - Step 6: Final answer
x = 3,140,846.44
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1.5x scale
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.