Finding the Fourth Proportional to 1,585,863.44, 2,378,124.48 and 638,979.92
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Solution
The fourth proportional to 1,585,863.44, 2,378,124.48 and 638,979.92 is: 958,199.65
Step by Step Solution
- Step 1: Write the proportion equation
1,585,863.44 : 2,378,124.48 = 638,979.92 : x - Step 2: Convert to fraction form
1,585,863.44/2,378,124.48 = 638,979.92/x - Step 3: Cross multiply
1,585,863.44x = 2,378,124.48 × 638,979.92 - Step 4: Simplify right side
1,585,863.44x = 1,519,573,789,980.44 - Step 5: Solve for x
x = 1,519,573,789,980.44/1,585,863.44 - Step 6: Final answer
x = 958,199.65
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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.