Finding the Fourth Proportional to 2,929,408.97, 4,042,649.48 and 1,672,070.95
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Solution
The fourth proportional to 2,929,408.97, 4,042,649.48 and 1,672,070.95 is: 2,307,495.07
Step by Step Solution
- Step 1: Write the proportion equation
2,929,408.97 : 4,042,649.48 = 1,672,070.95 : x - Step 2: Convert to fraction form
2,929,408.97/4,042,649.48 = 1,672,070.95/x - Step 3: Cross multiply
2,929,408.97x = 4,042,649.48 × 1,672,070.95 - Step 4: Simplify right side
2,929,408.97x = 6,759,596,750,614.16 - Step 5: Solve for x
x = 6,759,596,750,614.16/2,929,408.97 - Step 6: Final answer
x = 2,307,495.07
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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.