Finding the Fourth Proportional to 1,779,424.40, 2,669,136.60 and 1,696,755.80
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Solution
The fourth proportional to 1,779,424.40, 2,669,136.60 and 1,696,755.80 is: 2,545,133.70
Step by Step Solution
- Step 1: Write the proportion equation
1,779,424.40 : 2,669,136.60 = 1,696,755.80 : x - Step 2: Convert to fraction form
1,779,424.40/2,669,136.60 = 1,696,755.80/x - Step 3: Cross multiply
1,779,424.40x = 2,669,136.60 × 1,696,755.80 - Step 4: Simplify right side
1,779,424.40x = 4,528,873,007,042.28 - Step 5: Solve for x
x = 4,528,873,007,042.28/1,779,424.40 - Step 6: Final answer
x = 2,545,133.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.