Finding the Fourth Proportional to 1,683,573.98, 2,525,734.12 and 485,402.79
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Solution
The fourth proportional to 1,683,573.98, 2,525,734.12 and 485,402.79 is: 728,211.77
Step by Step Solution
- Step 1: Write the proportion equation
1,683,573.98 : 2,525,734.12 = 485,402.79 : x - Step 2: Convert to fraction form
1,683,573.98/2,525,734.12 = 485,402.79/x - Step 3: Cross multiply
1,683,573.98x = 2,525,734.12 × 485,402.79 - Step 4: Simplify right side
1,683,573.98x = 1,225,998,388,646.19 - Step 5: Solve for x
x = 1,225,998,388,646.19/1,683,573.98 - Step 6: Final answer
x = 728,211.77
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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.