Finding the Fourth Proportional to 1,961,246.08, 2,706,503.52 and 1,101,788.24
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Solution
The fourth proportional to 1,961,246.08, 2,706,503.52 and 1,101,788.24 is: 1,520,458.74
Step by Step Solution
- Step 1: Write the proportion equation
1,961,246.08 : 2,706,503.52 = 1,101,788.24 : x - Step 2: Convert to fraction form
1,961,246.08/2,706,503.52 = 1,101,788.24/x - Step 3: Cross multiply
1,961,246.08x = 2,706,503.52 × 1,101,788.24 - Step 4: Simplify right side
1,961,246.08x = 2,981,993,749,854.61 - Step 5: Solve for x
x = 2,981,993,749,854.61/1,961,246.08 - Step 6: Final answer
x = 1,520,458.74
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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.