Finding the Fourth Proportional to 3,434,816.16, 5,152,597.92 and 1,275,587.99
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Solution
The fourth proportional to 3,434,816.16, 5,152,597.92 and 1,275,587.99 is: 1,913,520.75
Step by Step Solution
- Step 1: Write the proportion equation
3,434,816.16 : 5,152,597.92 = 1,275,587.99 : x - Step 2: Convert to fraction form
3,434,816.16/5,152,597.92 = 1,275,587.99/x - Step 3: Cross multiply
3,434,816.16x = 5,152,597.92 × 1,275,587.99 - Step 4: Simplify right side
3,434,816.16x = 6,572,591,998,287.99 - Step 5: Solve for x
x = 6,572,591,998,287.99/3,434,816.16 - Step 6: Final answer
x = 1,913,520.75
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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.