Finding the Fourth Proportional to 1,187,982.08, 1,639,489.92 and 651,438.08
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Solution
The fourth proportional to 1,187,982.08, 1,639,489.92 and 651,438.08 is: 899,025.49
Step by Step Solution
- Step 1: Write the proportion equation
1,187,982.08 : 1,639,489.92 = 651,438.08 : x - Step 2: Convert to fraction form
1,187,982.08/1,639,489.92 = 651,438.08/x - Step 3: Cross multiply
1,187,982.08x = 1,639,489.92 × 651,438.08 - Step 4: Simplify right side
1,187,982.08x = 1,068,026,165,664.15 - Step 5: Solve for x
x = 1,068,026,165,664.15/1,187,982.08 - Step 6: Final answer
x = 899,025.49
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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.