Finding the Fourth Proportional to 4,155,195.70, 6,232,793.55 and 2,808,003.70
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Solution
The fourth proportional to 4,155,195.70, 6,232,793.55 and 2,808,003.70 is: 4,212,005.55
Step by Step Solution
- Step 1: Write the proportion equation
4,155,195.70 : 6,232,793.55 = 2,808,003.70 : x - Step 2: Convert to fraction form
4,155,195.70/6,232,793.55 = 2,808,003.70/x - Step 3: Cross multiply
4,155,195.70x = 6,232,793.55 × 2,808,003.70 - Step 4: Simplify right side
4,155,195.70x = 17,501,707,349,736.13 - Step 5: Solve for x
x = 17,501,707,349,736.13/4,155,195.70 - Step 6: Final answer
x = 4,212,005.55
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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.