Finding the Fourth Proportional to 3,799,813.68, 5,243,759.64 and 2,080,946.16
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Solution
The fourth proportional to 3,799,813.68, 5,243,759.64 and 2,080,946.16 is: 2,871,714.88
Step by Step Solution
- Step 1: Write the proportion equation
3,799,813.68 : 5,243,759.64 = 2,080,946.16 : x - Step 2: Convert to fraction form
3,799,813.68/5,243,759.64 = 2,080,946.16/x - Step 3: Cross multiply
3,799,813.68x = 5,243,759.64 × 2,080,946.16 - Step 4: Simplify right side
3,799,813.68x = 10,911,981,486,820.98 - Step 5: Solve for x
x = 10,911,981,486,820.98/3,799,813.68 - Step 6: Final answer
x = 2,871,714.88
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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.