Finding the Fourth Proportional to 1,746,857.49, 2,411,609.55 and 1,225,170.21
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Solution
The fourth proportional to 1,746,857.49, 2,411,609.55 and 1,225,170.21 is: 1,691,398.52
Step by Step Solution
- Step 1: Write the proportion equation
1,746,857.49 : 2,411,609.55 = 1,225,170.21 : x - Step 2: Convert to fraction form
1,746,857.49/2,411,609.55 = 1,225,170.21/x - Step 3: Cross multiply
1,746,857.49x = 2,411,609.55 × 1,225,170.21 - Step 4: Simplify right side
1,746,857.49x = 2,954,632,178,811.51 - Step 5: Solve for x
x = 2,954,632,178,811.51/1,746,857.49 - Step 6: Final answer
x = 1,691,398.52
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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.