Finding the Fourth Proportional to 2,177,361.36, 3,004,588.44 and 1,210,432.80
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Solution
The fourth proportional to 2,177,361.36, 3,004,588.44 and 1,210,432.80 is: 1,670,302.63
Step by Step Solution
- Step 1: Write the proportion equation
2,177,361.36 : 3,004,588.44 = 1,210,432.80 : x - Step 2: Convert to fraction form
2,177,361.36/3,004,588.44 = 1,210,432.80/x - Step 3: Cross multiply
2,177,361.36x = 3,004,588.44 × 1,210,432.80 - Step 4: Simplify right side
2,177,361.36x = 3,636,852,398,276.83 - Step 5: Solve for x
x = 3,636,852,398,276.83/2,177,361.36 - Step 6: Final answer
x = 1,670,302.63
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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.