Finding the Fourth Proportional to 1,476,461.90, 2,037,781.64 and 864,578.94
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Solution
The fourth proportional to 1,476,461.90, 2,037,781.64 and 864,578.94 is: 1,193,273.66
Step by Step Solution
- Step 1: Write the proportion equation
1,476,461.90 : 2,037,781.64 = 864,578.94 : x - Step 2: Convert to fraction form
1,476,461.90/2,037,781.64 = 864,578.94/x - Step 3: Cross multiply
1,476,461.90x = 2,037,781.64 × 864,578.94 - Step 4: Simplify right side
1,476,461.90x = 1,761,823,084,782.43 - Step 5: Solve for x
x = 1,761,823,084,782.43/1,476,461.90 - Step 6: Final answer
x = 1,193,273.66
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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.