Finding the Fourth Proportional to 3,748,671.09, 5,621,650.70 and 1,351,872.18
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Solution
The fourth proportional to 3,748,671.09, 5,621,650.70 and 1,351,872.18 is: 2,027,319.28
Step by Step Solution
- Step 1: Write the proportion equation
3,748,671.09 : 5,621,650.70 = 1,351,872.18 : x - Step 2: Convert to fraction form
3,748,671.09/5,621,650.70 = 1,351,872.18/x - Step 3: Cross multiply
3,748,671.09x = 5,621,650.70 × 1,351,872.18 - Step 4: Simplify right side
3,748,671.09x = 7,599,753,180,248.17 - Step 5: Solve for x
x = 7,599,753,180,248.17/3,748,671.09 - Step 6: Final answer
x = 2,027,319.28
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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.