Finding the Fourth Proportional to 2,787,615.16, 3,846,442.62 and 1,641,923.62
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Solution
The fourth proportional to 2,787,615.16, 3,846,442.62 and 1,641,923.62 is: 2,265,579.94
Step by Step Solution
- Step 1: Write the proportion equation
2,787,615.16 : 3,846,442.62 = 1,641,923.62 : x - Step 2: Convert to fraction form
2,787,615.16/3,846,442.62 = 1,641,923.62/x - Step 3: Cross multiply
2,787,615.16x = 3,846,442.62 × 1,641,923.62 - Step 4: Simplify right side
2,787,615.16x = 6,315,564,990,752.69 - Step 5: Solve for x
x = 6,315,564,990,752.69/2,787,615.16 - Step 6: Final answer
x = 2,265,579.94
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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.