Finding the Fourth Proportional to 3,106,255.21, 4,657,823.64 and 1,809,827.23
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Solution
The fourth proportional to 3,106,255.21, 4,657,823.64 and 1,809,827.23 is: 2,713,832.41
Step by Step Solution
- Step 1: Write the proportion equation
3,106,255.21 : 4,657,823.64 = 1,809,827.23 : x - Step 2: Convert to fraction form
3,106,255.21/4,657,823.64 = 1,809,827.23/x - Step 3: Cross multiply
3,106,255.21x = 4,657,823.64 × 1,809,827.23 - Step 4: Simplify right side
3,106,255.21x = 8,429,856,056,209.72 - Step 5: Solve for x
x = 8,429,856,056,209.72/3,106,255.21 - Step 6: Final answer
x = 2,713,832.41
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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.