Finding the Fourth Proportional to 4,542,995.20, 6,814,492.80 and 4,263,059.20
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Solution
The fourth proportional to 4,542,995.20, 6,814,492.80 and 4,263,059.20 is: 6,394,588.80
Step by Step Solution
- Step 1: Write the proportion equation
4,542,995.20 : 6,814,492.80 = 4,263,059.20 : x - Step 2: Convert to fraction form
4,542,995.20/6,814,492.80 = 4,263,059.20/x - Step 3: Cross multiply
4,542,995.20x = 6,814,492.80 × 4,263,059.20 - Step 4: Simplify right side
4,542,995.20x = 29,050,586,224,373.76 - Step 5: Solve for x
x = 29,050,586,224,373.76/4,542,995.20 - Step 6: Final answer
x = 6,394,588.80
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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.