Finding the Fourth Proportional to 2,929,860.18, 4,043,461.41 and 1,640,677.14
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Solution
The fourth proportional to 2,929,860.18, 4,043,461.41 and 1,640,677.14 is: 2,264,276.89
Step by Step Solution
- Step 1: Write the proportion equation
2,929,860.18 : 4,043,461.41 = 1,640,677.14 : x - Step 2: Convert to fraction form
2,929,860.18/4,043,461.41 = 1,640,677.14/x - Step 3: Cross multiply
2,929,860.18x = 4,043,461.41 × 1,640,677.14 - Step 4: Simplify right side
2,929,860.18x = 6,634,014,701,859.17 - Step 5: Solve for x
x = 6,634,014,701,859.17/2,929,860.18 - Step 6: Final answer
x = 2,264,276.89
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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.