Finding the Fourth Proportional to 3,125,320.18, 4,688,867.82 and 995,568.55
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Solution
The fourth proportional to 3,125,320.18, 4,688,867.82 and 995,568.55 is: 1,493,635.55
Step by Step Solution
- Step 1: Write the proportion equation
3,125,320.18 : 4,688,867.82 = 995,568.55 : x - Step 2: Convert to fraction form
3,125,320.18/4,688,867.82 = 995,568.55/x - Step 3: Cross multiply
3,125,320.18x = 4,688,867.82 × 995,568.55 - Step 4: Simplify right side
3,125,320.18x = 4,668,089,336,699.06 - Step 5: Solve for x
x = 4,668,089,336,699.06/3,125,320.18 - Step 6: Final answer
x = 1,493,635.55
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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.