Finding the Fourth Proportional to 5,443,749.08, 7,512,314.28 and 2,996,307.68
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Solution
The fourth proportional to 5,443,749.08, 7,512,314.28 and 2,996,307.68 is: 4,134,871.88
Step by Step Solution
- Step 1: Write the proportion equation
5,443,749.08 : 7,512,314.28 = 2,996,307.68 : x - Step 2: Convert to fraction form
5,443,749.08/7,512,314.28 = 2,996,307.68/x - Step 3: Cross multiply
5,443,749.08x = 7,512,314.28 × 2,996,307.68 - Step 4: Simplify right side
5,443,749.08x = 22,509,204,971,737.67 - Step 5: Solve for x
x = 22,509,204,971,737.67/5,443,749.08 - Step 6: Final answer
x = 4,134,871.88
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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.