Finding the Fourth Proportional to 1,779,118.87, 2,668,278.11 and 818,653.17
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Solution
The fourth proportional to 1,779,118.87, 2,668,278.11 and 818,653.17 is: 1,227,795.61
Step by Step Solution
- Step 1: Write the proportion equation
1,779,118.87 : 2,668,278.11 = 818,653.17 : x - Step 2: Convert to fraction form
1,779,118.87/2,668,278.11 = 818,653.17/x - Step 3: Cross multiply
1,779,118.87x = 2,668,278.11 × 818,653.17 - Step 4: Simplify right side
1,779,118.87x = 2,184,394,333,193.11 - Step 5: Solve for x
x = 2,184,394,333,193.11/1,779,118.87 - Step 6: Final answer
x = 1,227,795.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.