Finding the Fourth Proportional to 2,941,395.99, 4,412,348.15 and 811,480.10
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Solution
The fourth proportional to 2,941,395.99, 4,412,348.15 and 811,480.10 is: 1,217,290.27
Step by Step Solution
- Step 1: Write the proportion equation
2,941,395.99 : 4,412,348.15 = 811,480.10 : x - Step 2: Convert to fraction form
2,941,395.99/4,412,348.15 = 811,480.10/x - Step 3: Cross multiply
2,941,395.99x = 4,412,348.15 × 811,480.10 - Step 4: Simplify right side
2,941,395.99x = 3,580,532,714,510.08 - Step 5: Solve for x
x = 3,580,532,714,510.08/2,941,395.99 - Step 6: Final answer
x = 1,217,290.27
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1.5x scale
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.