Finding the Fourth Proportional to 1,433,192.82, 1,977,746.79 and 779,821.53
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Solution
The fourth proportional to 1,433,192.82, 1,977,746.79 and 779,821.53 is: 1,076,121.45
Step by Step Solution
- Step 1: Write the proportion equation
1,433,192.82 : 1,977,746.79 = 779,821.53 : x - Step 2: Convert to fraction form
1,433,192.82/1,977,746.79 = 779,821.53/x - Step 3: Cross multiply
1,433,192.82x = 1,977,746.79 × 779,821.53 - Step 4: Simplify right side
1,433,192.82x = 1,542,289,534,362.99 - Step 5: Solve for x
x = 1,542,289,534,362.99/1,433,192.82 - Step 6: Final answer
x = 1,076,121.45
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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.