Finding the Fourth Proportional to 2,220,806.49, 3,331,209.33 and 1,210,777.80
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Solution
The fourth proportional to 2,220,806.49, 3,331,209.33 and 1,210,777.80 is: 1,816,166.48
Step by Step Solution
- Step 1: Write the proportion equation
2,220,806.49 : 3,331,209.33 = 1,210,777.80 : x - Step 2: Convert to fraction form
2,220,806.49/3,331,209.33 = 1,210,777.80/x - Step 3: Cross multiply
2,220,806.49x = 3,331,209.33 × 1,210,777.80 - Step 4: Simplify right side
2,220,806.49x = 4,033,354,303,916.87 - Step 5: Solve for x
x = 4,033,354,303,916.87/2,220,806.49 - Step 6: Final answer
x = 1,816,166.48
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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.