Finding the Fourth Proportional to 2,894,812.32, 3,995,319.36 and 1,606,067.68
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Solution
The fourth proportional to 2,894,812.32, 3,995,319.36 and 1,606,067.68 is: 2,216,638.80
Step by Step Solution
- Step 1: Write the proportion equation
2,894,812.32 : 3,995,319.36 = 1,606,067.68 : x - Step 2: Convert to fraction form
2,894,812.32/3,995,319.36 = 1,606,067.68/x - Step 3: Cross multiply
2,894,812.32x = 3,995,319.36 × 1,606,067.68 - Step 4: Simplify right side
2,894,812.32x = 6,416,753,295,374.28 - Step 5: Solve for x
x = 6,416,753,295,374.28/2,894,812.32 - Step 6: Final answer
x = 2,216,638.80
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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.