Finding the Fourth Proportional to 1,449,325.98, 2,000,846.35 and 1,117,457.08
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Solution
The fourth proportional to 1,449,325.98, 2,000,846.35 and 1,117,457.08 is: 1,542,689.46
Step by Step Solution
- Step 1: Write the proportion equation
1,449,325.98 : 2,000,846.35 = 1,117,457.08 : x - Step 2: Convert to fraction form
1,449,325.98/2,000,846.35 = 1,117,457.08/x - Step 3: Cross multiply
1,449,325.98x = 2,000,846.35 × 1,117,457.08 - Step 4: Simplify right side
1,449,325.98x = 2,235,859,919,799.66 - Step 5: Solve for x
x = 2,235,859,919,799.66/1,449,325.98 - Step 6: Final answer
x = 1,542,689.46
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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.