Finding the Fourth Proportional to 1,534,242.06, 2,118,162.36 and 1,364,005.98
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Solution
The fourth proportional to 1,534,242.06, 2,118,162.36 and 1,364,005.98 is: 1,883,135.78
Step by Step Solution
- Step 1: Write the proportion equation
1,534,242.06 : 2,118,162.36 = 1,364,005.98 : x - Step 2: Convert to fraction form
1,534,242.06/2,118,162.36 = 1,364,005.98/x - Step 3: Cross multiply
1,534,242.06x = 2,118,162.36 × 1,364,005.98 - Step 4: Simplify right side
1,534,242.06x = 2,889,186,125,650.91 - Step 5: Solve for x
x = 2,889,186,125,650.91/1,534,242.06 - Step 6: Final answer
x = 1,883,135.78
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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.