Finding the Fourth Proportional to 4,679,404.68, 7,019,107.02 and 1,687,588.68
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Solution
The fourth proportional to 4,679,404.68, 7,019,107.02 and 1,687,588.68 is: 2,531,383.02
Step by Step Solution
- Step 1: Write the proportion equation
4,679,404.68 : 7,019,107.02 = 1,687,588.68 : x - Step 2: Convert to fraction form
4,679,404.68/7,019,107.02 = 1,687,588.68/x - Step 3: Cross multiply
4,679,404.68x = 7,019,107.02 × 1,687,588.68 - Step 4: Simplify right side
4,679,404.68x = 11,845,365,550,660.53 - Step 5: Solve for x
x = 11,845,365,550,660.53/4,679,404.68 - Step 6: Final answer
x = 2,531,383.02
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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.