Finding the Fourth Proportional to 3,159,030.97, 4,359,088.09 and 1,782,294.42
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Solution
The fourth proportional to 3,159,030.97, 4,359,088.09 and 1,782,294.42 is: 2,459,354.93
Step by Step Solution
- Step 1: Write the proportion equation
3,159,030.97 : 4,359,088.09 = 1,782,294.42 : x - Step 2: Convert to fraction form
3,159,030.97/4,359,088.09 = 1,782,294.42/x - Step 3: Cross multiply
3,159,030.97x = 4,359,088.09 × 1,782,294.42 - Step 4: Simplify right side
3,159,030.97x = 7,769,178,379,095.46 - Step 5: Solve for x
x = 7,769,178,379,095.46/3,159,030.97 - Step 6: Final answer
x = 2,459,354.93
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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.