Finding the Fourth Proportional to 3,822,389.75, 5,274,898.76 and 2,103,510.26
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Solution
The fourth proportional to 3,822,389.75, 5,274,898.76 and 2,103,510.26 is: 2,902,844.66
Step by Step Solution
- Step 1: Write the proportion equation
3,822,389.75 : 5,274,898.76 = 2,103,510.26 : x - Step 2: Convert to fraction form
3,822,389.75/5,274,898.76 = 2,103,510.26/x - Step 3: Cross multiply
3,822,389.75x = 5,274,898.76 × 2,103,510.26 - Step 4: Simplify right side
3,822,389.75x = 11,095,803,668,735.06 - Step 5: Solve for x
x = 11,095,803,668,735.06/3,822,389.75 - Step 6: Final answer
x = 2,902,844.66
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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.