Finding the Fourth Proportional to 1,625,872.03, 2,438,291.08 and 1,519,731.25
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Solution
The fourth proportional to 1,625,872.03, 2,438,291.08 and 1,519,731.25 is: 2,279,113.66
Step by Step Solution
- Step 1: Write the proportion equation
1,625,872.03 : 2,438,291.08 = 1,519,731.25 : x - Step 2: Convert to fraction form
1,625,872.03/2,438,291.08 = 1,519,731.25/x - Step 3: Cross multiply
1,625,872.03x = 2,438,291.08 × 1,519,731.25 - Step 4: Simplify right side
1,625,872.03x = 3,705,547,150,872.25 - Step 5: Solve for x
x = 3,705,547,150,872.25/1,625,872.03 - Step 6: Final answer
x = 2,279,113.66
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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.