Finding the Fourth Proportional to 4,092,783.88, 6,138,128.64 and 1,213,477.44
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Solution
The fourth proportional to 4,092,783.88, 6,138,128.64 and 1,213,477.44 is: 1,819,905.68
Step by Step Solution
- Step 1: Write the proportion equation
4,092,783.88 : 6,138,128.64 = 1,213,477.44 : x - Step 2: Convert to fraction form
4,092,783.88/6,138,128.64 = 1,213,477.44/x - Step 3: Cross multiply
4,092,783.88x = 6,138,128.64 × 1,213,477.44 - Step 4: Simplify right side
4,092,783.88x = 7,448,480,628,457.88 - Step 5: Solve for x
x = 7,448,480,628,457.88/4,092,783.88 - Step 6: Final answer
x = 1,819,905.68
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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.