Finding the Fourth Proportional to 1,868,689.76, 2,575,763.16 and 1,460,078.96
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Solution
The fourth proportional to 1,868,689.76, 2,575,763.16 and 1,460,078.96 is: 2,012,542.52
Step by Step Solution
- Step 1: Write the proportion equation
1,868,689.76 : 2,575,763.16 = 1,460,078.96 : x - Step 2: Convert to fraction form
1,868,689.76/2,575,763.16 = 1,460,078.96/x - Step 3: Cross multiply
1,868,689.76x = 2,575,763.16 × 1,460,078.96 - Step 4: Simplify right side
1,868,689.76x = 3,760,817,595,859.11 - Step 5: Solve for x
x = 3,760,817,595,859.11/1,868,689.76 - Step 6: Final answer
x = 2,012,542.52
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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.