Finding the Fourth Proportional to 4,282,026.82, 6,421,439.50 and 1,722,376.80
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Solution
The fourth proportional to 4,282,026.82, 6,421,439.50 and 1,722,376.80 is: 2,582,921.33
Step by Step Solution
- Step 1: Write the proportion equation
4,282,026.82 : 6,421,439.50 = 1,722,376.80 : x - Step 2: Convert to fraction form
4,282,026.82/6,421,439.50 = 1,722,376.80/x - Step 3: Cross multiply
4,282,026.82x = 6,421,439.50 × 1,722,376.80 - Step 4: Simplify right side
4,282,026.82x = 11,060,138,413,097.66 - Step 5: Solve for x
x = 11,060,138,413,097.66/4,282,026.82 - Step 6: Final answer
x = 2,582,921.33
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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.