Finding the Fourth Proportional to 1,698,649.97, 2,344,136.97 and 934,703.53
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Solution
The fourth proportional to 1,698,649.97, 2,344,136.97 and 934,703.53 is: 1,289,890.88
Step by Step Solution
- Step 1: Write the proportion equation
1,698,649.97 : 2,344,136.97 = 934,703.53 : x - Step 2: Convert to fraction form
1,698,649.97/2,344,136.97 = 934,703.53/x - Step 3: Cross multiply
1,698,649.97x = 2,344,136.97 × 934,703.53 - Step 4: Simplify right side
1,698,649.97x = 2,191,073,100,662.50 - Step 5: Solve for x
x = 2,191,073,100,662.50/1,698,649.97 - Step 6: Final answer
x = 1,289,890.88
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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.