Finding the Fourth Proportional to 1,185,214.24, 1,635,599.98 and 641,350.02
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Solution
The fourth proportional to 1,185,214.24, 1,635,599.98 and 641,350.02 is: 885,065.37
Step by Step Solution
- Step 1: Write the proportion equation
1,185,214.24 : 1,635,599.98 = 641,350.02 : x - Step 2: Convert to fraction form
1,185,214.24/1,635,599.98 = 641,350.02/x - Step 3: Cross multiply
1,185,214.24x = 1,635,599.98 × 641,350.02 - Step 4: Simplify right side
1,185,214.24x = 1,048,992,079,885.00 - Step 5: Solve for x
x = 1,048,992,079,885.00/1,185,214.24 - Step 6: Final answer
x = 885,065.37
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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.