Finding the Fourth Proportional to 1,904,640.84, 2,628,480.20 and 1,045,231.88
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Solution
The fourth proportional to 1,904,640.84, 2,628,480.20 and 1,045,231.88 is: 1,442,461.61
Step by Step Solution
- Step 1: Write the proportion equation
1,904,640.84 : 2,628,480.20 = 1,045,231.88 : x - Step 2: Convert to fraction form
1,904,640.84/2,628,480.20 = 1,045,231.88/x - Step 3: Cross multiply
1,904,640.84x = 2,628,480.20 × 1,045,231.88 - Step 4: Simplify right side
1,904,640.84x = 2,747,371,300,988.78 - Step 5: Solve for x
x = 2,747,371,300,988.78/1,904,640.84 - Step 6: Final answer
x = 1,442,461.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.