Finding the Fourth Proportional to 1,998,042.42, 2,996,564.68 and 783,866.50
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Solution
The fourth proportional to 1,998,042.42, 2,996,564.68 and 783,866.50 is: 1,175,604.00
Step by Step Solution
- Step 1: Write the proportion equation
1,998,042.42 : 2,996,564.68 = 783,866.50 : x - Step 2: Convert to fraction form
1,998,042.42/2,996,564.68 = 783,866.50/x - Step 3: Cross multiply
1,998,042.42x = 2,996,564.68 × 783,866.50 - Step 4: Simplify right side
1,998,042.42x = 2,348,906,667,735.22 - Step 5: Solve for x
x = 2,348,906,667,735.22/1,998,042.42 - Step 6: Final answer
x = 1,175,604.00
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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.