Finding the Fourth Proportional to 3,437,279.70, 5,155,919.55 and 3,058,627.99
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Solution
The fourth proportional to 3,437,279.70, 5,155,919.55 and 3,058,627.99 is: 4,587,941.98
Step by Step Solution
- Step 1: Write the proportion equation
3,437,279.70 : 5,155,919.55 = 3,058,627.99 : x - Step 2: Convert to fraction form
3,437,279.70/5,155,919.55 = 3,058,627.99/x - Step 3: Cross multiply
3,437,279.70x = 5,155,919.55 × 3,058,627.99 - Step 4: Simplify right side
3,437,279.70x = 15,770,039,836,928.40 - Step 5: Solve for x
x = 15,770,039,836,928.40/3,437,279.70 - Step 6: Final answer
x = 4,587,941.98
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1.5x scale
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.