Finding the Fourth Proportional to 1,943,514.57, 2,681,455.68 and 1,127,435.52
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Solution
The fourth proportional to 1,943,514.57, 2,681,455.68 and 1,127,435.52 is: 1,555,516.19
Step by Step Solution
- Step 1: Write the proportion equation
1,943,514.57 : 2,681,455.68 = 1,127,435.52 : x - Step 2: Convert to fraction form
1,943,514.57/2,681,455.68 = 1,127,435.52/x - Step 3: Cross multiply
1,943,514.57x = 2,681,455.68 × 1,127,435.52 - Step 4: Simplify right side
1,943,514.57x = 3,023,168,378,937.75 - Step 5: Solve for x
x = 3,023,168,378,937.75/1,943,514.57 - Step 6: Final answer
x = 1,555,516.19
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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.