Finding the Fourth Proportional to 1,735,649.40, 2,592,919.35 and 1,123,450.71
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Solution
The fourth proportional to 1,735,649.40, 2,592,919.35 and 1,123,450.71 is: 1,678,344.19
Step by Step Solution
- Step 1: Write the proportion equation
1,735,649.40 : 2,592,919.35 = 1,123,450.71 : x - Step 2: Convert to fraction form
1,735,649.40/2,592,919.35 = 1,123,450.71/x - Step 3: Cross multiply
1,735,649.40x = 2,592,919.35 × 1,123,450.71 - Step 4: Simplify right side
1,735,649.40x = 2,913,017,084,730.24 - Step 5: Solve for x
x = 2,913,017,084,730.24/1,735,649.40 - Step 6: Final answer
x = 1,678,344.19
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.