Finding the Fourth Proportional to 4,438,458.75, 6,125,012.55 and 2,478,367.07
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Solution
The fourth proportional to 4,438,458.75, 6,125,012.55 and 2,478,367.07 is: 3,420,112.75
Step by Step Solution
- Step 1: Write the proportion equation
4,438,458.75 : 6,125,012.55 = 2,478,367.07 : x - Step 2: Convert to fraction form
4,438,458.75/6,125,012.55 = 2,478,367.07/x - Step 3: Cross multiply
4,438,458.75x = 6,125,012.55 × 2,478,367.07 - Step 4: Simplify right side
4,438,458.75x = 15,180,029,376,631.66 - Step 5: Solve for x
x = 15,180,029,376,631.66/4,438,458.75 - Step 6: Final answer
x = 3,420,112.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.