Finding the Fourth Proportional to 4,539,972.80, 6,806,848.80 and 2,144,964.80
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Solution
The fourth proportional to 4,539,972.80, 6,806,848.80 and 2,144,964.80 is: 3,215,977.65
Step by Step Solution
- Step 1: Write the proportion equation
4,539,972.80 : 6,806,848.80 = 2,144,964.80 : x - Step 2: Convert to fraction form
4,539,972.80/6,806,848.80 = 2,144,964.80/x - Step 3: Cross multiply
4,539,972.80x = 6,806,848.80 × 2,144,964.80 - Step 4: Simplify right side
4,539,972.80x = 14,600,451,074,922.24 - Step 5: Solve for x
x = 14,600,451,074,922.24/4,539,972.80 - Step 6: Final answer
x = 3,215,977.65
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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.