Finding the Fourth Proportional to 3,456,749.45, 4,769,602.07 and 1,986,373.99
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Solution
The fourth proportional to 3,456,749.45, 4,769,602.07 and 1,986,373.99 is: 2,740,786.86
Step by Step Solution
- Step 1: Write the proportion equation
3,456,749.45 : 4,769,602.07 = 1,986,373.99 : x - Step 2: Convert to fraction form
3,456,749.45/4,769,602.07 = 1,986,373.99/x - Step 3: Cross multiply
3,456,749.45x = 4,769,602.07 × 1,986,373.99 - Step 4: Simplify right side
3,456,749.45x = 9,474,213,460,718.28 - Step 5: Solve for x
x = 9,474,213,460,718.28/3,456,749.45 - Step 6: Final answer
x = 2,740,786.86
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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.