Finding the Fourth Proportional to 2,719,695.68, 3,752,911.10 and 1,557,918.90
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Solution
The fourth proportional to 2,719,695.68, 3,752,911.10 and 1,557,918.90 is: 2,149,774.03
Step by Step Solution
- Step 1: Write the proportion equation
2,719,695.68 : 3,752,911.10 = 1,557,918.90 : x - Step 2: Convert to fraction form
2,719,695.68/3,752,911.10 = 1,557,918.90/x - Step 3: Cross multiply
2,719,695.68x = 3,752,911.10 × 1,557,918.90 - Step 4: Simplify right side
2,719,695.68x = 5,846,731,124,920.20 - Step 5: Solve for x
x = 5,846,731,124,920.20/2,719,695.68 - Step 6: Final answer
x = 2,149,774.03
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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.