Finding the Fourth Proportional to 1,461,122.06, 2,016,355.90 and 816,553.02
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Solution
The fourth proportional to 1,461,122.06, 2,016,355.90 and 816,553.02 is: 1,126,847.34
Step by Step Solution
- Step 1: Write the proportion equation
1,461,122.06 : 2,016,355.90 = 816,553.02 : x - Step 2: Convert to fraction form
1,461,122.06/2,016,355.90 = 816,553.02/x - Step 3: Cross multiply
1,461,122.06x = 2,016,355.90 × 816,553.02 - Step 4: Simplify right side
1,461,122.06x = 1,646,461,499,539.82 - Step 5: Solve for x
x = 1,646,461,499,539.82/1,461,122.06 - Step 6: Final answer
x = 1,126,847.34
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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.