Finding the Fourth Proportional to 3,091,510.80, 4,637,266.20 and 1,497,187.80
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Solution
The fourth proportional to 3,091,510.80, 4,637,266.20 and 1,497,187.80 is: 2,245,781.70
Step by Step Solution
- Step 1: Write the proportion equation
3,091,510.80 : 4,637,266.20 = 1,497,187.80 : x - Step 2: Convert to fraction form
3,091,510.80/4,637,266.20 = 1,497,187.80/x - Step 3: Cross multiply
3,091,510.80x = 4,637,266.20 × 1,497,187.80 - Step 4: Simplify right side
3,091,510.80x = 6,942,858,379,992.36 - Step 5: Solve for x
x = 6,942,858,379,992.36/3,091,510.80 - Step 6: Final answer
x = 2,245,781.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.