Finding the Fourth Proportional to 2,515,638.36, 3,471,535.98 and 1,369,697.88
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Solution
The fourth proportional to 2,515,638.36, 3,471,535.98 and 1,369,697.88 is: 1,890,158.60
Step by Step Solution
- Step 1: Write the proportion equation
2,515,638.36 : 3,471,535.98 = 1,369,697.88 : x - Step 2: Convert to fraction form
2,515,638.36/3,471,535.98 = 1,369,697.88/x - Step 3: Cross multiply
2,515,638.36x = 3,471,535.98 × 1,369,697.88 - Step 4: Simplify right side
2,515,638.36x = 4,754,955,472,149.72 - Step 5: Solve for x
x = 4,754,955,472,149.72/2,515,638.36 - Step 6: Final answer
x = 1,890,158.60
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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.