Finding the Fourth Proportional to 4,745,687.04, 7,115,381.28 and 3,327,461.28
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Solution
The fourth proportional to 4,745,687.04, 7,115,381.28 and 3,327,461.28 is: 4,988,983.79
Step by Step Solution
- Step 1: Write the proportion equation
4,745,687.04 : 7,115,381.28 = 3,327,461.28 : x - Step 2: Convert to fraction form
4,745,687.04/7,115,381.28 = 3,327,461.28/x - Step 3: Cross multiply
4,745,687.04x = 7,115,381.28 × 3,327,461.28 - Step 4: Simplify right side
4,745,687.04x = 23,676,155,701,636.84 - Step 5: Solve for x
x = 23,676,155,701,636.84/4,745,687.04 - Step 6: Final answer
x = 4,988,983.79
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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.