Finding the Fourth Proportional to 3,754,409.76, 5,181,194.75 and 2,122,782.08
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Solution
The fourth proportional to 3,754,409.76, 5,181,194.75 and 2,122,782.08 is: 2,929,501.05
Step by Step Solution
- Step 1: Write the proportion equation
3,754,409.76 : 5,181,194.75 = 2,122,782.08 : x - Step 2: Convert to fraction form
3,754,409.76/5,181,194.75 = 2,122,782.08/x - Step 3: Cross multiply
3,754,409.76x = 5,181,194.75 × 2,122,782.08 - Step 4: Simplify right side
3,754,409.76x = 10,998,547,331,770.20 - Step 5: Solve for x
x = 10,998,547,331,770.20/3,754,409.76 - Step 6: Final answer
x = 2,929,501.05
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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.