Finding the Fourth Proportional to 1,660,707.99, 2,491,820.98 and 750,133.91
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Solution
The fourth proportional to 1,660,707.99, 2,491,820.98 and 750,133.91 is: 1,125,543.70
Step by Step Solution
- Step 1: Write the proportion equation
1,660,707.99 : 2,491,820.98 = 750,133.91 : x - Step 2: Convert to fraction form
1,660,707.99/2,491,820.98 = 750,133.91/x - Step 3: Cross multiply
1,660,707.99x = 2,491,820.98 × 750,133.91 - Step 4: Simplify right side
1,660,707.99x = 1,869,199,419,101.65 - Step 5: Solve for x
x = 1,869,199,419,101.65/1,660,707.99 - Step 6: Final answer
x = 1,125,543.70
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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.