Finding the Fourth Proportional to 3,319,780.74, 4,976,985.95 and 1,399,451.97
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Solution
The fourth proportional to 3,319,780.74, 4,976,985.95 and 1,399,451.97 is: 2,098,046.03
Step by Step Solution
- Step 1: Write the proportion equation
3,319,780.74 : 4,976,985.95 = 1,399,451.97 : x - Step 2: Convert to fraction form
3,319,780.74/4,976,985.95 = 1,399,451.97/x - Step 3: Cross multiply
3,319,780.74x = 4,976,985.95 × 1,399,451.97 - Step 4: Simplify right side
3,319,780.74x = 6,965,052,792,389.82 - Step 5: Solve for x
x = 6,965,052,792,389.82/3,319,780.74 - Step 6: Final answer
x = 2,098,046.03
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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.