Finding the Fourth Proportional to 4,220,357.24, 6,330,543.78 and 1,025,486.12
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Solution
The fourth proportional to 4,220,357.24, 6,330,543.78 and 1,025,486.12 is: 1,538,231.10
Step by Step Solution
- Step 1: Write the proportion equation
4,220,357.24 : 6,330,543.78 = 1,025,486.12 : x - Step 2: Convert to fraction form
4,220,357.24/6,330,543.78 = 1,025,486.12/x - Step 3: Cross multiply
4,220,357.24x = 6,330,543.78 × 1,025,486.12 - Step 4: Simplify right side
4,220,357.24x = 6,491,884,778,442.33 - Step 5: Solve for x
x = 6,491,884,778,442.33/4,220,357.24 - Step 6: Final answer
x = 1,538,231.10
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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.