Finding the Fourth Proportional to 3,762,545.18, 5,642,966.66 and 1,739,686.82
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Solution
The fourth proportional to 3,762,545.18, 5,642,966.66 and 1,739,686.82 is: 2,609,136.70
Step by Step Solution
- Step 1: Write the proportion equation
3,762,545.18 : 5,642,966.66 = 1,739,686.82 : x - Step 2: Convert to fraction form
3,762,545.18/5,642,966.66 = 1,739,686.82/x - Step 3: Cross multiply
3,762,545.18x = 5,642,966.66 × 1,739,686.82 - Step 4: Simplify right side
3,762,545.18x = 9,816,994,687,188.15 - Step 5: Solve for x
x = 9,816,994,687,188.15/3,762,545.18 - Step 6: Final answer
x = 2,609,136.70
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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.