Finding the Fourth Proportional to 2,013,438.85, 2,778,546.02 and 1,108,020.85
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Solution
The fourth proportional to 2,013,438.85, 2,778,546.02 and 1,108,020.85 is: 1,529,068.99
Step by Step Solution
- Step 1: Write the proportion equation
2,013,438.85 : 2,778,546.02 = 1,108,020.85 : x - Step 2: Convert to fraction form
2,013,438.85/2,778,546.02 = 1,108,020.85/x - Step 3: Cross multiply
2,013,438.85x = 2,778,546.02 × 1,108,020.85 - Step 4: Simplify right side
2,013,438.85x = 3,078,686,910,358.05 - Step 5: Solve for x
x = 3,078,686,910,358.05/2,013,438.85 - Step 6: Final answer
x = 1,529,068.99
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1.5x scale
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.