Finding the Fourth Proportional to 5,128,169.74, 7,692,717.96 and 1,484,846.44
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Solution
The fourth proportional to 5,128,169.74, 7,692,717.96 and 1,484,846.44 is: 2,227,403.82
Step by Step Solution
- Step 1: Write the proportion equation
5,128,169.74 : 7,692,717.96 = 1,484,846.44 : x - Step 2: Convert to fraction form
5,128,169.74/7,692,717.96 = 1,484,846.44/x - Step 3: Cross multiply
5,128,169.74x = 7,692,717.96 × 1,484,846.44 - Step 4: Simplify right side
5,128,169.74x = 11,422,504,857,598.27 - Step 5: Solve for x
x = 11,422,504,857,598.27/5,128,169.74 - Step 6: Final answer
x = 2,227,403.82
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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.