Finding the Fourth Proportional to 3,748,344.95, 5,621,353.92 and 1,351,878.21
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Solution
The fourth proportional to 3,748,344.95, 5,621,353.92 and 1,351,878.21 is: 2,027,397.69
Step by Step Solution
- Step 1: Write the proportion equation
3,748,344.95 : 5,621,353.92 = 1,351,878.21 : x - Step 2: Convert to fraction form
3,748,344.95/5,621,353.92 = 1,351,878.21/x - Step 3: Cross multiply
3,748,344.95x = 5,621,353.92 × 1,351,878.21 - Step 4: Simplify right side
3,748,344.95x = 7,599,385,875,146.08 - Step 5: Solve for x
x = 7,599,385,875,146.08/3,748,344.95 - Step 6: Final answer
x = 2,027,397.69
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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.