Finding the Fourth Proportional to 2,479,252.35, 3,421,201.44 and 1,376,627.09
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Solution
The fourth proportional to 2,479,252.35, 3,421,201.44 and 1,376,627.09 is: 1,899,652.77
Step by Step Solution
- Step 1: Write the proportion equation
2,479,252.35 : 3,421,201.44 = 1,376,627.09 : x - Step 2: Convert to fraction form
2,479,252.35/3,421,201.44 = 1,376,627.09/x - Step 3: Cross multiply
2,479,252.35x = 3,421,201.44 × 1,376,627.09 - Step 4: Simplify right side
2,479,252.35x = 4,709,718,591,204.01 - Step 5: Solve for x
x = 4,709,718,591,204.01/2,479,252.35 - Step 6: Final answer
x = 1,899,652.77
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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.