Finding the Fourth Proportional to 3,306,905.13, 4,960,361.40 and 1,312,361.13
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Solution
The fourth proportional to 3,306,905.13, 4,960,361.40 and 1,312,361.13 is: 1,968,543.17
Step by Step Solution
- Step 1: Write the proportion equation
3,306,905.13 : 4,960,361.40 = 1,312,361.13 : x - Step 2: Convert to fraction form
3,306,905.13/4,960,361.40 = 1,312,361.13/x - Step 3: Cross multiply
3,306,905.13x = 4,960,361.40 × 1,312,361.13 - Step 4: Simplify right side
3,306,905.13x = 6,509,785,492,112.38 - Step 5: Solve for x
x = 6,509,785,492,112.38/3,306,905.13 - Step 6: Final answer
x = 1,968,543.17
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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.