Finding the Fourth Proportional to 2,062,689.90, 2,846,467.95 and 1,144,865.54
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Solution
The fourth proportional to 2,062,689.90, 2,846,467.95 and 1,144,865.54 is: 1,579,889.95
Step by Step Solution
- Step 1: Write the proportion equation
2,062,689.90 : 2,846,467.95 = 1,144,865.54 : x - Step 2: Convert to fraction form
2,062,689.90/2,846,467.95 = 1,144,865.54/x - Step 3: Cross multiply
2,062,689.90x = 2,846,467.95 × 1,144,865.54 - Step 4: Simplify right side
2,062,689.90x = 3,258,823,052,437.10 - Step 5: Solve for x
x = 3,258,823,052,437.10/2,062,689.90 - Step 6: Final answer
x = 1,579,889.95
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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.