Finding the Fourth Proportional to 3,554,637.44, 4,905,379.12 and 1,923,039.68
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Solution
The fourth proportional to 3,554,637.44, 4,905,379.12 and 1,923,039.68 is: 2,653,783.64
Step by Step Solution
- Step 1: Write the proportion equation
3,554,637.44 : 4,905,379.12 = 1,923,039.68 : x - Step 2: Convert to fraction form
3,554,637.44/4,905,379.12 = 1,923,039.68/x - Step 3: Cross multiply
3,554,637.44x = 4,905,379.12 × 1,923,039.68 - Step 4: Simplify right side
3,554,637.44x = 9,433,238,693,203.48 - Step 5: Solve for x
x = 9,433,238,693,203.48/3,554,637.44 - Step 6: Final answer
x = 2,653,783.64
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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.