Finding the Fourth Proportional to 3,616,044, 4,989,810.87 and 2,145,699.14
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Solution
The fourth proportional to 3,616,044, 4,989,810.87 and 2,145,699.14 is: 2,960,869.09
Step by Step Solution
- Step 1: Write the proportion equation
3,616,044 : 4,989,810.87 = 2,145,699.14 : x - Step 2: Convert to fraction form
3,616,044/4,989,810.87 = 2,145,699.14/x - Step 3: Cross multiply
3,616,044x = 4,989,810.87 × 2,145,699.14 - Step 4: Simplify right side
3,616,044x = 10,706,632,892,521.65 - Step 5: Solve for x
x = 10,706,632,892,521.65/3,616,044 - Step 6: Final answer
x = 2,960,869.09
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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.