Finding the Fourth Proportional to 2,840,586.82, 3,920,094.68 and 1,551,488.02
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Solution
The fourth proportional to 2,840,586.82, 3,920,094.68 and 1,551,488.02 is: 2,141,099.82
Step by Step Solution
- Step 1: Write the proportion equation
2,840,586.82 : 3,920,094.68 = 1,551,488.02 : x - Step 2: Convert to fraction form
2,840,586.82/3,920,094.68 = 1,551,488.02/x - Step 3: Cross multiply
2,840,586.82x = 3,920,094.68 × 1,551,488.02 - Step 4: Simplify right side
2,840,586.82x = 6,081,979,915,728.06 - Step 5: Solve for x
x = 6,081,979,915,728.06/2,840,586.82 - Step 6: Final answer
x = 2,141,099.82
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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.