Finding the Fourth Proportional to 1,683,918.09, 2,525,572.84 and 485,545.77
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Solution
The fourth proportional to 1,683,918.09, 2,525,572.84 and 485,545.77 is: 728,230.91
Step by Step Solution
- Step 1: Write the proportion equation
1,683,918.09 : 2,525,572.84 = 485,545.77 : x - Step 2: Convert to fraction form
1,683,918.09/2,525,572.84 = 485,545.77/x - Step 3: Cross multiply
1,683,918.09x = 2,525,572.84 × 485,545.77 - Step 4: Simplify right side
1,683,918.09x = 1,226,281,209,288.89 - Step 5: Solve for x
x = 1,226,281,209,288.89/1,683,918.09 - Step 6: Final answer
x = 728,230.91
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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.