Finding the Fourth Proportional to 5,490,652.81, 7,576,905.14 and 3,043,492.69
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Solution
The fourth proportional to 5,490,652.81, 7,576,905.14 and 3,043,492.69 is: 4,199,911.41
Step by Step Solution
- Step 1: Write the proportion equation
5,490,652.81 : 7,576,905.14 = 3,043,492.69 : x - Step 2: Convert to fraction form
5,490,652.81/7,576,905.14 = 3,043,492.69/x - Step 3: Cross multiply
5,490,652.81x = 7,576,905.14 × 3,043,492.69 - Step 4: Simplify right side
5,490,652.81x = 23,060,255,391,195.96 - Step 5: Solve for x
x = 23,060,255,391,195.96/5,490,652.81 - Step 6: Final answer
x = 4,199,911.41
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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.