Finding the Fourth Proportional to 3,438,159.69, 4,744,575.20 and 1,910,270.49
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Solution
The fourth proportional to 3,438,159.69, 4,744,575.20 and 1,910,270.49 is: 2,636,125.95
Step by Step Solution
- Step 1: Write the proportion equation
3,438,159.69 : 4,744,575.20 = 1,910,270.49 : x - Step 2: Convert to fraction form
3,438,159.69/4,744,575.20 = 1,910,270.49/x - Step 3: Cross multiply
3,438,159.69x = 4,744,575.20 × 1,910,270.49 - Step 4: Simplify right side
3,438,159.69x = 9,063,421,982,594.50 - Step 5: Solve for x
x = 9,063,421,982,594.50/3,438,159.69 - Step 6: Final answer
x = 2,636,125.95
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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.