Finding the Fourth Proportional to 4,158,081.90, 6,239,455.65 and 1,761,518.70
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Solution
The fourth proportional to 4,158,081.90, 6,239,455.65 and 1,761,518.70 is: 2,643,266.31
Step by Step Solution
- Step 1: Write the proportion equation
4,158,081.90 : 6,239,455.65 = 1,761,518.70 : x - Step 2: Convert to fraction form
4,158,081.90/6,239,455.65 = 1,761,518.70/x - Step 3: Cross multiply
4,158,081.90x = 6,239,455.65 × 1,761,518.70 - Step 4: Simplify right side
4,158,081.90x = 10,990,917,805,295.66 - Step 5: Solve for x
x = 10,990,917,805,295.66/4,158,081.90 - Step 6: Final answer
x = 2,643,266.31
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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.