Finding the Fourth Proportional to 3,982,803.48, 5,497,139.16 and 2,532,215.58
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Solution
The fourth proportional to 3,982,803.48, 5,497,139.16 and 2,532,215.58 is: 3,495,010.86
Step by Step Solution
- Step 1: Write the proportion equation
3,982,803.48 : 5,497,139.16 = 2,532,215.58 : x - Step 2: Convert to fraction form
3,982,803.48/5,497,139.16 = 2,532,215.58/x - Step 3: Cross multiply
3,982,803.48x = 5,497,139.16 × 2,532,215.58 - Step 4: Simplify right side
3,982,803.48x = 13,919,941,426,380.11 - Step 5: Solve for x
x = 13,919,941,426,380.11/3,982,803.48 - Step 6: Final answer
x = 3,495,010.86
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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.