Finding the Fourth Proportional to 3,408,559.99, 4,705,517.34 and 2,119,815.56
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Solution
The fourth proportional to 3,408,559.99, 4,705,517.34 and 2,119,815.56 is: 2,926,405.56
Step by Step Solution
- Step 1: Write the proportion equation
3,408,559.99 : 4,705,517.34 = 2,119,815.56 : x - Step 2: Convert to fraction form
3,408,559.99/4,705,517.34 = 2,119,815.56/x - Step 3: Cross multiply
3,408,559.99x = 4,705,517.34 × 2,119,815.56 - Step 4: Simplify right side
3,408,559.99x = 9,974,828,886,945.60 - Step 5: Solve for x
x = 9,974,828,886,945.60/3,408,559.99 - Step 6: Final answer
x = 2,926,405.56
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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.