Finding the Fourth Proportional to 2,103,133.15, 2,902,325.80 and 1,136,264.21
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Solution
The fourth proportional to 2,103,133.15, 2,902,325.80 and 1,136,264.21 is: 1,568,045.72
Step by Step Solution
- Step 1: Write the proportion equation
2,103,133.15 : 2,902,325.80 = 1,136,264.21 : x - Step 2: Convert to fraction form
2,103,133.15/2,902,325.80 = 1,136,264.21/x - Step 3: Cross multiply
2,103,133.15x = 2,902,325.80 × 1,136,264.21 - Step 4: Simplify right side
2,103,133.15x = 3,297,808,940,975.76 - Step 5: Solve for x
x = 3,297,808,940,975.76/2,103,133.15 - Step 6: Final answer
x = 1,568,045.72
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1.5x scale
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.