Finding the Fourth Proportional to 3,438,443.80, 4,744,966.26 and 1,910,554.84
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Solution
The fourth proportional to 3,438,443.80, 4,744,966.26 and 1,910,554.84 is: 2,636,517.79
Step by Step Solution
- Step 1: Write the proportion equation
3,438,443.80 : 4,744,966.26 = 1,910,554.84 : x - Step 2: Convert to fraction form
3,438,443.80/4,744,966.26 = 1,910,554.84/x - Step 3: Cross multiply
3,438,443.80x = 4,744,966.26 × 1,910,554.84 - Step 4: Simplify right side
3,438,443.80x = 9,065,518,253,679.70 - Step 5: Solve for x
x = 9,065,518,253,679.70/3,438,443.80 - Step 6: Final answer
x = 2,636,517.79
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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.