Finding the Fourth Proportional to 3,956,715.80, 5,931,973.05 and 1,562,352.66
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Solution
The fourth proportional to 3,956,715.80, 5,931,973.05 and 1,562,352.66 is: 2,342,304.67
Step by Step Solution
- Step 1: Write the proportion equation
3,956,715.80 : 5,931,973.05 = 1,562,352.66 : x - Step 2: Convert to fraction form
3,956,715.80/5,931,973.05 = 1,562,352.66/x - Step 3: Cross multiply
3,956,715.80x = 5,931,973.05 × 1,562,352.66 - Step 4: Simplify right side
3,956,715.80x = 9,267,833,873,715.81 - Step 5: Solve for x
x = 9,267,833,873,715.81/3,956,715.80 - Step 6: Final answer
x = 2,342,304.67
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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.