Finding the Fourth Proportional to 1,540,889.64, 2,126,416.14 and 861,826.14
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Solution
The fourth proportional to 1,540,889.64, 2,126,416.14 and 861,826.14 is: 1,189,313.61
Step by Step Solution
- Step 1: Write the proportion equation
1,540,889.64 : 2,126,416.14 = 861,826.14 : x - Step 2: Convert to fraction form
1,540,889.64/2,126,416.14 = 861,826.14/x - Step 3: Cross multiply
1,540,889.64x = 2,126,416.14 × 861,826.14 - Step 4: Simplify right side
1,540,889.64x = 1,832,601,013,969.90 - Step 5: Solve for x
x = 1,832,601,013,969.90/1,540,889.64 - Step 6: Final answer
x = 1,189,313.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.