Finding the Fourth Proportional to 1,761,941.52, 2,640,221.97 and 1,310,479.11
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Solution
The fourth proportional to 1,761,941.52, 2,640,221.97 and 1,310,479.11 is: 1,963,717.69
Step by Step Solution
- Step 1: Write the proportion equation
1,761,941.52 : 2,640,221.97 = 1,310,479.11 : x - Step 2: Convert to fraction form
1,761,941.52/2,640,221.97 = 1,310,479.11/x - Step 3: Cross multiply
1,761,941.52x = 2,640,221.97 × 1,310,479.11 - Step 4: Simplify right side
1,761,941.52x = 3,459,955,737,448.05 - Step 5: Solve for x
x = 3,459,955,737,448.05/1,761,941.52 - Step 6: Final answer
x = 1,963,717.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.