Finding the Fourth Proportional to 2,787,587.16, 3,846,403.98 and 1,641,895.62
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Solution
The fourth proportional to 2,787,587.16, 3,846,403.98 and 1,641,895.62 is: 2,265,541.30
Step by Step Solution
- Step 1: Write the proportion equation
2,787,587.16 : 3,846,403.98 = 1,641,895.62 : x - Step 2: Convert to fraction form
2,787,587.16/3,846,403.98 = 1,641,895.62/x - Step 3: Cross multiply
2,787,587.16x = 3,846,403.98 × 1,641,895.62 - Step 4: Simplify right side
2,787,587.16x = 6,315,393,847,512.57 - Step 5: Solve for x
x = 6,315,393,847,512.57/2,787,587.16 - Step 6: Final answer
x = 2,265,541.30
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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.