Finding the Fourth Proportional to 1,886,676.28, 2,603,330.18 and 1,059,718.10
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Solution
The fourth proportional to 1,886,676.28, 2,603,330.18 and 1,059,718.10 is: 1,462,251.97
Step by Step Solution
- Step 1: Write the proportion equation
1,886,676.28 : 2,603,330.18 = 1,059,718.10 : x - Step 2: Convert to fraction form
1,886,676.28/2,603,330.18 = 1,059,718.10/x - Step 3: Cross multiply
1,886,676.28x = 2,603,330.18 × 1,059,718.10 - Step 4: Simplify right side
1,886,676.28x = 2,758,796,112,022.26 - Step 5: Solve for x
x = 2,758,796,112,022.26/1,886,676.28 - Step 6: Final answer
x = 1,462,251.97
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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.