Finding the Fourth Proportional to 3,153,078.83, 4,351,248.79 and 1,702,774.17
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Solution
The fourth proportional to 3,153,078.83, 4,351,248.79 and 1,702,774.17 is: 2,349,828.35
Step by Step Solution
- Step 1: Write the proportion equation
3,153,078.83 : 4,351,248.79 = 1,702,774.17 : x - Step 2: Convert to fraction form
3,153,078.83/4,351,248.79 = 1,702,774.17/x - Step 3: Cross multiply
3,153,078.83x = 4,351,248.79 × 1,702,774.17 - Step 4: Simplify right side
3,153,078.83x = 7,409,194,042,598.82 - Step 5: Solve for x
x = 7,409,194,042,598.82/3,153,078.83 - Step 6: Final answer
x = 2,349,828.35
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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.