Finding the Fourth Proportional to 2,174,138.28, 3,000,587.67 and 1,314,704.70
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Solution
The fourth proportional to 2,174,138.28, 3,000,587.67 and 1,314,704.70 is: 1,814,459.89
Step by Step Solution
- Step 1: Write the proportion equation
2,174,138.28 : 3,000,587.67 = 1,314,704.70 : x - Step 2: Convert to fraction form
2,174,138.28/3,000,587.67 = 1,314,704.70/x - Step 3: Cross multiply
2,174,138.28x = 3,000,587.67 × 1,314,704.70 - Step 4: Simplify right side
2,174,138.28x = 3,944,886,712,511.05 - Step 5: Solve for x
x = 3,944,886,712,511.05/2,174,138.28 - Step 6: Final answer
x = 1,814,459.89
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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.