Finding the Fourth Proportional to 3,615,325.62, 4,989,591.81 and 2,087,430.18
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Solution
The fourth proportional to 3,615,325.62, 4,989,591.81 and 2,087,430.18 is: 2,880,909.11
Step by Step Solution
- Step 1: Write the proportion equation
3,615,325.62 : 4,989,591.81 = 2,087,430.18 : x - Step 2: Convert to fraction form
3,615,325.62/4,989,591.81 = 2,087,430.18/x - Step 3: Cross multiply
3,615,325.62x = 4,989,591.81 × 2,087,430.18 - Step 4: Simplify right side
3,615,325.62x = 10,415,424,530,074.82 - Step 5: Solve for x
x = 10,415,424,530,074.82/3,615,325.62 - Step 6: Final answer
x = 2,880,909.11
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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.