Finding the Fourth Proportional to 1,107,108.90, 1,660,663.35 and 1,097,777.70
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Solution
The fourth proportional to 1,107,108.90, 1,660,663.35 and 1,097,777.70 is: 1,646,666.55
Step by Step Solution
- Step 1: Write the proportion equation
1,107,108.90 : 1,660,663.35 = 1,097,777.70 : x - Step 2: Convert to fraction form
1,107,108.90/1,660,663.35 = 1,097,777.70/x - Step 3: Cross multiply
1,107,108.90x = 1,660,663.35 × 1,097,777.70 - Step 4: Simplify right side
1,107,108.90x = 1,823,039,192,837.30 - Step 5: Solve for x
x = 1,823,039,192,837.30/1,107,108.90 - Step 6: Final answer
x = 1,646,666.55
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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.