Finding the Fourth Proportional to 2,345,265.86, 3,236,521.68 and 1,312,747.97
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Solution
The fourth proportional to 2,345,265.86, 3,236,521.68 and 1,312,747.97 is: 1,811,622.87
Step by Step Solution
- Step 1: Write the proportion equation
2,345,265.86 : 3,236,521.68 = 1,312,747.97 : x - Step 2: Convert to fraction form
2,345,265.86/3,236,521.68 = 1,312,747.97/x - Step 3: Cross multiply
2,345,265.86x = 3,236,521.68 × 1,312,747.97 - Step 4: Simplify right side
2,345,265.86x = 4,248,737,265,280.99 - Step 5: Solve for x
x = 4,248,737,265,280.99/2,345,265.86 - Step 6: Final answer
x = 1,811,622.87
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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.