Finding the Fourth Proportional to 1,768,576.05, 2,652,864.08 and 647,082.45
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Solution
The fourth proportional to 1,768,576.05, 2,652,864.08 and 647,082.45 is: 970,623.68
Step by Step Solution
- Step 1: Write the proportion equation
1,768,576.05 : 2,652,864.08 = 647,082.45 : x - Step 2: Convert to fraction form
1,768,576.05/2,652,864.08 = 647,082.45/x - Step 3: Cross multiply
1,768,576.05x = 2,652,864.08 × 647,082.45 - Step 4: Simplify right side
1,768,576.05x = 1,716,621,785,167.98 - Step 5: Solve for x
x = 1,716,621,785,167.98/1,768,576.05 - Step 6: Final answer
x = 970,623.68
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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.