Finding the Fourth Proportional to 3,726,646.20, 5,589,969.30 and 3,264,751.80
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Solution
The fourth proportional to 3,726,646.20, 5,589,969.30 and 3,264,751.80 is: 4,897,127.70
Step by Step Solution
- Step 1: Write the proportion equation
3,726,646.20 : 5,589,969.30 = 3,264,751.80 : x - Step 2: Convert to fraction form
3,726,646.20/5,589,969.30 = 3,264,751.80/x - Step 3: Cross multiply
3,726,646.20x = 5,589,969.30 × 3,264,751.80 - Step 4: Simplify right side
3,726,646.20x = 18,249,862,334,119.74 - Step 5: Solve for x
x = 18,249,862,334,119.74/3,726,646.20 - Step 6: Final answer
x = 4,897,127.70
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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.