Finding the Fourth Proportional to 3,803,685.13, 5,249,212.42 and 2,084,810.05
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Solution
The fourth proportional to 3,803,685.13, 5,249,212.42 and 2,084,810.05 is: 2,877,107.44
Step by Step Solution
- Step 1: Write the proportion equation
3,803,685.13 : 5,249,212.42 = 2,084,810.05 : x - Step 2: Convert to fraction form
3,803,685.13/5,249,212.42 = 2,084,810.05/x - Step 3: Cross multiply
3,803,685.13x = 5,249,212.42 × 2,084,810.05 - Step 4: Simplify right side
3,803,685.13x = 10,943,610,777,668.98 - Step 5: Solve for x
x = 10,943,610,777,668.98/3,803,685.13 - Step 6: Final answer
x = 2,877,107.44
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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.