Finding the Fourth Proportional to 3,829,936.20, 5,746,216.64 and 1,307,362.92
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Solution
The fourth proportional to 3,829,936.20, 5,746,216.64 and 1,307,362.92 is: 1,961,492.35
Step by Step Solution
- Step 1: Write the proportion equation
3,829,936.20 : 5,746,216.64 = 1,307,362.92 : x - Step 2: Convert to fraction form
3,829,936.20/5,746,216.64 = 1,307,362.92/x - Step 3: Cross multiply
3,829,936.20x = 5,746,216.64 × 1,307,362.92 - Step 4: Simplify right side
3,829,936.20x = 7,512,390,558,886.17 - Step 5: Solve for x
x = 7,512,390,558,886.17/3,829,936.20 - Step 6: Final answer
x = 1,961,492.35
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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.