Finding the Fourth Proportional to 3,242,378.28, 4,863,489.86 and 1,053,945.17
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Solution
The fourth proportional to 3,242,378.28, 4,863,489.86 and 1,053,945.17 is: 1,580,892.53
Step by Step Solution
- Step 1: Write the proportion equation
3,242,378.28 : 4,863,489.86 = 1,053,945.17 : x - Step 2: Convert to fraction form
3,242,378.28/4,863,489.86 = 1,053,945.17/x - Step 3: Cross multiply
3,242,378.28x = 4,863,489.86 × 1,053,945.17 - Step 4: Simplify right side
3,242,378.28x = 5,125,851,617,703.80 - Step 5: Solve for x
x = 5,125,851,617,703.80/3,242,378.28 - Step 6: Final answer
x = 1,580,892.53
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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.