Finding the Fourth Proportional to 2,453,945.76, 3,386,203.92 and 1,435,151.52
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Solution
The fourth proportional to 2,453,945.76, 3,386,203.92 and 1,435,151.52 is: 1,980,368.02
Step by Step Solution
- Step 1: Write the proportion equation
2,453,945.76 : 3,386,203.92 = 1,435,151.52 : x - Step 2: Convert to fraction form
2,453,945.76/3,386,203.92 = 1,435,151.52/x - Step 3: Cross multiply
2,453,945.76x = 3,386,203.92 × 1,435,151.52 - Step 4: Simplify right side
2,453,945.76x = 4,859,715,702,817.96 - Step 5: Solve for x
x = 4,859,715,702,817.96/2,453,945.76 - Step 6: Final answer
x = 1,980,368.02
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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.