Finding the Fourth Proportional to 2,252,603.19, 3,107,734.68 and 1,665,312.72
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Solution
The fourth proportional to 2,252,603.19, 3,107,734.68 and 1,665,312.72 is: 2,297,497.45
Step by Step Solution
- Step 1: Write the proportion equation
2,252,603.19 : 3,107,734.68 = 1,665,312.72 : x - Step 2: Convert to fraction form
2,252,603.19/3,107,734.68 = 1,665,312.72/x - Step 3: Cross multiply
2,252,603.19x = 3,107,734.68 × 1,665,312.72 - Step 4: Simplify right side
2,252,603.19x = 5,175,350,092,989.13 - Step 5: Solve for x
x = 5,175,350,092,989.13/2,252,603.19 - Step 6: Final answer
x = 2,297,497.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.