Finding the Fourth Proportional to 2,195,637.51, 3,029,914.56 and 1,215,620.13
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Solution
The fourth proportional to 2,195,637.51, 3,029,914.56 and 1,215,620.13 is: 1,677,519.68
Step by Step Solution
- Step 1: Write the proportion equation
2,195,637.51 : 3,029,914.56 = 1,215,620.13 : x - Step 2: Convert to fraction form
2,195,637.51/3,029,914.56 = 1,215,620.13/x - Step 3: Cross multiply
2,195,637.51x = 3,029,914.56 × 1,215,620.13 - Step 4: Simplify right side
2,195,637.51x = 3,683,225,131,316.09 - Step 5: Solve for x
x = 3,683,225,131,316.09/2,195,637.51 - Step 6: Final answer
x = 1,677,519.68
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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.