Finding the Fourth Proportional to 2,079,864.20, 3,115,130.70 and 1,706,616.20
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Solution
The fourth proportional to 2,079,864.20, 3,115,130.70 and 1,706,616.20 is: 2,556,095.98
Step by Step Solution
- Step 1: Write the proportion equation
2,079,864.20 : 3,115,130.70 = 1,706,616.20 : x - Step 2: Convert to fraction form
2,079,864.20/3,115,130.70 = 1,706,616.20/x - Step 3: Cross multiply
2,079,864.20x = 3,115,130.70 × 1,706,616.20 - Step 4: Simplify right side
2,079,864.20x = 5,316,332,517,737.34 - Step 5: Solve for x
x = 5,316,332,517,737.34/2,079,864.20 - Step 6: Final answer
x = 2,556,095.98
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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.